{"id":16099,"date":"2021-07-23T03:16:00","date_gmt":"2021-07-23T10:16:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=16099"},"modified":"2026-02-09T18:39:45","modified_gmt":"2026-02-10T02:39:45","slug":"p2098-code-post-catalyst-fuel-trim-system-too-lean-bank-2","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2098-code-post-catalyst-fuel-trim-system-too-lean-bank-2\/","title":{"rendered":"P2098 Code: Post Catalyst Fuel Trim System Too Lean (Bank 2)"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column16099_b1b01d-04 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16099_b1b01d-04 > .kt-inside-inner-col,.kadence-column16099_b1b01d-04 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column16099_b1b01d-04 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16099_b1b01d-04 > .kt-inside-inner-col{flex-direction:column;}.kadence-column16099_b1b01d-04 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column16099_b1b01d-04 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16099_b1b01d-04{position:relative;}@media all and (max-width: 1024px){.kadence-column16099_b1b01d-04 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column16099_b1b01d-04 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16099_b1b01d-04 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-8e5860  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-4f0263\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading16099_e2101c-ce, .wp-block-kadence-advancedheading.kt-adv-heading16099_e2101c-ce[data-kb-block=\"kb-adv-heading16099_e2101c-ce\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading16099_e2101c-ce mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading16099_e2101c-ce[data-kb-block=\"kb-adv-heading16099_e2101c-ce\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading16099_e2101c-ce img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading16099_e2101c-ce[data-kb-block=\"kb-adv-heading16099_e2101c-ce\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading16099_e2101c-ce summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading16099_e2101c-ce\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P2098 trouble code stands for &ldquo;Post Catalyst Fuel Trim System Too Lean (Bank 2),&rdquo; meaning the oxygen levels leaving the converter in the exhaust stream on the bank 2 side are too high.<\/li>\n\n\n\n<li>Causes for the P2098 code include a leaking exhaust system, a bad or failing upstream oxygen sensor, or a problem in the post-catalytic oxygen sensor circuit.<\/li>\n\n\n\n<li>Common symptoms of the P2098 include an illuminated or blinking check engine light, rough idle, and poor acceleration.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/catalytic-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"catalytic converter\">catalytic converter<\/a> helps control your car&rsquo;s emission levels by breaking down noxious gases into less harmful pollutants before they leave your exhaust. When the bank 2 oxygen sensor 2 unit reports a lean condition in the exhaust stream leaving the converter, the engine&rsquo;s computer stores a code P2098.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"815\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/catalytic-converter-1-1-1024x815.jpeg\" alt=\"catalytic converter 1 1\" class=\"wp-image-16105\" style=\"width:1024px;height:815px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/catalytic-converter-1-1-1024x815.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/catalytic-converter-1-1-300x239.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/catalytic-converter-1-1-768x611.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/catalytic-converter-1-1-150x119.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/catalytic-converter-1-1.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The catalytic converter helps control your car&rsquo;s emission levels by breaking down noxious gases into less harmful pollutants before they leave your exhaust.   <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2098 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) P2098 stands for &ldquo;Post Catalyst Fuel Trim System Too Lean (Bank 2). &rdquo; It means the exhaust stream on the bank 2 side contains higher oxygen levels exiting the converter than it should. This code points to a too-lean reading from the <strong>downstream sensor<\/strong>.<\/p>\n\n\n<style>.kadence-column16099_d38d87-6a > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16099_d38d87-6a > .kt-inside-inner-col,.kadence-column16099_d38d87-6a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column16099_d38d87-6a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16099_d38d87-6a > .kt-inside-inner-col{flex-direction:column;}.kadence-column16099_d38d87-6a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column16099_d38d87-6a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16099_d38d87-6a{position:relative;}@media all and (max-width: 1024px){.kadence-column16099_d38d87-6a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column16099_d38d87-6a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16099_d38d87-6a kb-section-dir-vertical kb-section-sm-dir-vertical inner-column-1 pro-tip-widget\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id16099_42253b-8b > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id16099_42253b-8b > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id16099_42253b-8b > .kt-row-column-wrap{column-gap:var(--global-kb-gap-none, 0rem );row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-bottom:20px;padding-left:16px;padding-right:32px;grid-template-columns:minmax(0, calc(10% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)))minmax(0, calc(90% - ((var(--global-kb-gap-none, 0rem ) * 1 )\/2)));}.kb-row-layout-id16099_42253b-8b > .kt-row-layout-overlay{opacity:0.00;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep{height:100px;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep svg{width:100%;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep svg{fill:#ffffff!important;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-top-sep{height:100px;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-top-sep svg{width:100%;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-top-sep svg{fill:#ffffff!important;}@media all and (max-width: 1024px){.kb-row-layout-id16099_42253b-8b > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}}@media all and (max-width: 1024px){.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep{height:px;}}@media all and (max-width: 1024px){.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep svg{width:%;}}@media all and (max-width: 767px){.kb-row-layout-id16099_42253b-8b > .kt-row-column-wrap{padding-top:28px;padding-bottom:25px;padding-left:16px;padding-right:16px;grid-template-columns:minmax(0, 1fr) minmax(0, 2fr);}.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep{height:px;}.kb-row-layout-id16099_42253b-8b .kt-row-layout-bottom-sep svg{width:%;}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id16099_42253b-8b alignnone pro-tip-wrap wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-right-golden kt-tab-layout-right-golden kt-mobile-layout-right-golden kt-row-valign-top\">\n<style>.kadence-column16099_50157f-75 > .kt-inside-inner-col{display:flex;}.kadence-column16099_50157f-75 > .kt-inside-inner-col{min-height:45px;border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16099_50157f-75 > .kt-inside-inner-col,.kadence-column16099_50157f-75 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column16099_50157f-75 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16099_50157f-75 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column16099_50157f-75 > .kt-inside-inner-col > *, .kadence-column16099_50157f-75 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column16099_50157f-75 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column16099_50157f-75 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column16099_50157f-75 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16099_50157f-75{position:relative;}@media all and (max-width: 1024px){.kadence-column16099_50157f-75 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column16099_50157f-75 > .kt-inside-inner-col > *, .kadence-column16099_50157f-75 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column16099_50157f-75 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column16099_50157f-75 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column16099_50157f-75 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column16099_50157f-75 > .kt-inside-inner-col > *, .kadence-column16099_50157f-75 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column16099_50157f-75 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column16099_50157f-75 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16099_50157f-75 kb-section-dir-horizontal kb-section-md-dir-horizontal inner-column-1 pro-tip-item1\"><div class=\"kt-inside-inner-col\"><style>.kb-image16099_5efb93-a1.kb-image-is-ratio-size, .kb-image16099_5efb93-a1 .kb-image-is-ratio-size{max-width:45px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image16099_5efb93-a1.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image16099_5efb93-a1 .kb-image-is-ratio-size{align-self:unset;}.kb-image16099_5efb93-a1 figure{max-width:45px;}.kb-image16099_5efb93-a1 .image-is-svg, .kb-image16099_5efb93-a1 .image-is-svg img{width:100%;}.kb-image16099_5efb93-a1 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image16099_5efb93-a1\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/f_auto,dpr_auto,q_auto,c_pad\/carparts\/blog\/widgets\/protip\/services-icon\" alt=\"\" class=\"kb-img\"><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column16099_141284-35 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column16099_141284-35 > .kt-inside-inner-col,.kadence-column16099_141284-35 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column16099_141284-35 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column16099_141284-35 > .kt-inside-inner-col{flex-direction:column;}.kadence-column16099_141284-35 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column16099_141284-35 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column16099_141284-35{position:relative;}@media all and (max-width: 1024px){.kadence-column16099_141284-35 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column16099_141284-35 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column16099_141284-35 inner-column-2 pro-tip-item2\"><div class=\"kt-inside-inner-col\">\n<div class=\"protip-desc\">\n\t<div class=\"help-tip\">\n\t\t<p><strong>Pro Tips<\/strong> are nuggets of information direct from ASE-certified automobile technicians working with CarParts.com, which may include unique, personal insights based on their years of experience working in the automotive industry. These can help you make more informed decisions about your car.<\/p>\n\t<\/div>\n    <div class=\"help-caption\">\n        <p>\n            <strong>Pro Tip:<\/strong>\nThe catalyst brick nearest the engine takes care of NOx emissions and is referred to as the &ldquo;light-off cat.&rdquo; This catalyst has to reach a certain temperature to begin the catalytic process of separating NOx into its nitrogen and oxygen components. This is the only catalyst that is monitored by the ECM\/PCM.\n        <\/p>\n    <\/div>\n<\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-data443-irp-shortcode irp-shortcode\"><div style=\"clear:both; margin-top:0em; margin-bottom:1em;\"><a href=\"https:\/\/www.carparts.com\/blog\/p0136-code-o2-sensor-circuit-bank-1-sensor-2\/\" target=\"_self\" rel=\"dofollow\" class=\"ud526f00e3b4954d9219eeae92519c243\"><style> .ud526f00e3b4954d9219eeae92519c243 { padding:0px; margin: 0; padding-top:1em!important; padding-bottom:1em!important; width:100%; display: block; font-weight:bold; background-color:#eaeaea; border:0!important; border-left:4px solid #34495E!important; text-decoration:none; } .ud526f00e3b4954d9219eeae92519c243:active, .ud526f00e3b4954d9219eeae92519c243:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; text-decoration:none; } .ud526f00e3b4954d9219eeae92519c243 { transition: background-color 250ms; webkit-transition: background-color 250ms; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; } .ud526f00e3b4954d9219eeae92519c243 .ctaText { font-weight:bold; color:#464646; text-decoration:none; font-size: 16px; } .ud526f00e3b4954d9219eeae92519c243 .postTitle { color:#000000; text-decoration: underline!important; font-size: 16px; } .ud526f00e3b4954d9219eeae92519c243:hover .postTitle { text-decoration: underline!important; } <\/style><div style=\"padding-left:1em; padding-right:1em;\"><span class=\"ctaText\">See also<\/span>&nbsp; <span class=\"postTitle\">P0136 Code: O2 Sensor Circuit (Bank 1, Sensor 2)<\/span><\/div><\/a><\/div><\/div>\n\n\n\n<p>The O2 sensor behind the catalyst monitors O2 storage capacity; that being said, the ECM\/PCM factors in readings of both the front and rear (upstream and downstream) sensors to determine proper exhaust stream composition.<\/p>\n\n\n\n<p><strong>To learn more about catalysts on today&rsquo;s vehicles and how they can trigger OBD-II codes like p2098, read our explanation <a href=\"https:\/\/www.carparts.com\/blog\/p0420-code-catalyst-system-efficiency-below-threshold-bank-1\/#What_is_a_Catalyst\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here\">here<\/a>.<\/strong><\/p>\n\n\n\n<p>During the course of watching the upstream O2 sensor, the ECM\/PCM also watches the downstream sensor for indications that the mixture is too lean &ndash; and if the upstream O2 sensor on that bank becomes unreliable, the ECM\/PCM will actually begin to adjust fuel trims based on rear O2 sensor input. If the ECM\/PCM detects a lean condition downstream of the converter (code P2098 indicates that), the problem may be on the upstream side of the converter; remember that before throwing a downstream sensor at the problem.<\/p>\n\n\n\n<p><strong>For an advanced discussion of fuel trim, you can read our technical explanation <a href=\"https:\/\/www.carparts.com\/blog\/p2097-code-post-catalyst-fuel-trim-system-too-rich-bank-1\/#A_Closer_Look_at_Fuel_Trim\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"here\">here<\/a>.<\/strong><\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Possible Causes of the P2098 Code?<\/h2>\n\n\n\n<p>Several issues can trigger the lean readings in the bank 2 oxygen sensor 2 unit. The PCM may log a P2098 code in response to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A leak in the <a href=\"https:\/\/www.carparts.com\/exhaust-system\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"exhaust system\">exhaust system<\/a>(natural exhaust pulses can draw outside O2 in through an exhaust system leak upstream of an O2 sensor, which will drive the sensor signal to indicate a false lean condition.<\/li>\n\n\n\n<li>Bad or failing upstream oxygen sensor<\/li>\n\n\n\n<li>A problem in the post-catalytic oxygen sensor circuit (e.g., damaged wires or poor connections),<\/li>\n\n\n\n<li>Lean running condition (vacuum leak <a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"MAP\">MAP<\/a> or <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"MAF sensor\">MAF sensor<\/a> malfunction)<\/li>\n\n\n\n<li>An issue with the PCM, such as software in need of an update<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"681\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2-1024x681.jpeg\" alt=\"oxygen sensor 2\" class=\"wp-image-16108\" style=\"width:1024px;height:681px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2-1024x681.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2-768x511.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/09\/oxygen-sensor-2.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A faulty oxygen sensor may trigger code P2098 to set.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the Code P2098?<\/h2>\n\n\n\n<p>The following symptoms may also appear along with code P2098:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Check Engine Light illuminates\">Check Engine Light illuminates<\/a> or blinks (blinking only happens when the engine has a serious misfire)<\/li>\n\n\n\n<li>Rough idle<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/my-car-wont-accelerate-properly-when-i-push-the-gas-causes\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Poor acceleration\">Poor acceleration<\/a><\/li>\n\n\n\n<li>Engine misfire<\/li>\n\n\n\n<li>Overheating catalytic converter<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2098 Code<\/h2>\n\n\n\n<p>A P2098 code won&rsquo;t cripple your vehicle&rsquo;s drivability, so you can still bring it to an auto repair shop and get it repaired. For car owners with plenty of skill in DIY car repair, an advanced diagnostic scan tool can make it easier to identify the root of this trouble code.<\/p>\n\n\n\n<p>The diagnostic steps associated with code P2098 depend on the year, make, and model of the vehicle. <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Consult the appropriate repair manual\">Consult the appropriate repair manual<\/a> for the recommended troubleshooting procedure. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2098 Code<\/h2>\n\n\n\n<p>Fixing the P2098 code may not be a straightforward affair when you consider the number of possible reasons that could have triggered it. A lot of people often let their mechanics do the fixing to spare themselves the trouble of trying to figure out the proper fix.<\/p>\n\n\n\n<p>If you do have the necessary automotive DIY skills, you can try to do the job yourself with the help of <a href=\"https:\/\/www.carparts.com\/blog\/best-online-resources-to-help-you-learn-how-to-fix-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"online repair guides or manuals.\">online repair guides or manuals.<\/a> Just keep in mind that vehicles from different manufacturers may have their own repair procedures and that a fix that works on a particular model may not work on another one.<\/p>\n\n\n\n<p><strong>Other Notes About P2098<\/strong><\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/blog\/p2096-code-post-catalyst-fuel-trim-system-too-lean-bank-1\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P2096\">P2096<\/a> code resembles P2098 in almost all regards. This similar code applies to the post catalytic oxygen sensor on bank 1, the same side as the engine&rsquo;s cylinder 1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where To Get Parts To Resolve P2098 Code<\/h2>\n\n\n\n<p>While it won&rsquo;t cripple your vehicle, it&rsquo;s still best to resolve the P2098 code when you can. The resulting rough idle and poor acceleration might not seem too serious at first, but they can become rather tiresome. Luckily, you can get the parts you need to resolve the P2098 code at CarParts.com<\/p>\n\n\n\n<p><a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a> offers a wide selection of aftermarket parts at different price points to suit your budget. Our customer service team is ready and eager to help you with your purchases with support around the clock. Our website makes ordering from the comforts of your home a breeze. You can easily find the parts you need for your vehicle&rsquo;s year, make, and model with our integrated vehicle selector, and checking out takes just a few quick clicks.<\/p>\n\n\n\n<p>Check out our selection of our <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensors\">oxygen sensors<\/a> and place your order on CarParts.com today.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Products Mentioned in this Guide<\/h2>\n\n\n\n<div class=\"reusable-productlink\">\n\n<!-- start of editable content -->\n\n<a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" aria-label=\"Oxygen Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/set-repb960901-2_1\">\n<strong>Oxygen Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/exhaust-system\" target=\"_blank\" aria-label=\"Exhaust System\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/m79s5514al_1\">\n<strong>Exhaust System<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/map-sensor\" target=\"_blank\" aria-label=\"MAP Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repj315101_1\">\n<strong>MAP Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" aria-label=\"Mass Air Flow Sensor\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repb316709_1\">\n<strong>Mass Air Flow Sensor<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/catalytic-converter\" target=\"_blank\" aria-label=\"Catalytic Converter\" rel=\"noopener\">\n<img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/d_noimage.jpg,h_200,w_200,c_pad,f_auto,q_auto,dpr_auto,e_sharpen\/images\/repn960316_1\">\n<strong>Catalytic Converter<\/strong>\n<\/a>\n\n<!-- end of editable content -->\n\n<\/div>\n\n\n\n<div class=\"shop-project\">\n\n    <h2>Shop this Project<\/h2>\n\n    <ul class=\"shop-project-list\">\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repb960901\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repb960901_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repb960901_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repb960901\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector\">DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated, With Female Connector<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$22.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repb960901\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repn960915\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repn960915_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repn960915_1\" alt=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repn960915\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated\">DriveWire &ndash; Oxygen Sensor, 4-Wire, Heated<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$49.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/oxygen-sensor\/drivewire\/repn960915\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/catalytic-converter\/evan-fischer\/set-repn960335ss-2\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/set-repn960335ss-2_1\" alt=\"Evan Fischer&reg; &ndash; Front and Rear Catalytic Converters, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME)\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/set-repn960335ss-2_1\" alt=\"Evan Fischer&reg; &ndash; Front and Rear Catalytic Converters, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME)\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/catalytic-converter\/evan-fischer\/set-repn960335ss-2\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Evan Fischer&reg; &ndash; Front and Rear Catalytic Converters, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME)\">Evan Fischer&reg; &ndash; Front and Rear Catalytic Converters, Federal EPA Standard, 46-State Legal (Cannot ship to or be used in vehicles originally purchased in CA, CO, NY or ME)<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$299.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/catalytic-converter\/evan-fischer\/set-repn960335ss-2\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/map-sensor\/replacement\/repk315201\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repk315201_1\" alt=\"Replacement &ndash; MAP Sensor\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repk315201_1\" alt=\"Replacement &ndash; MAP Sensor\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/map-sensor\/replacement\/repk315201\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Replacement &ndash; MAP Sensor\">Replacement &ndash; MAP Sensor<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$12.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/map-sensor\/replacement\/repk315201\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n        \n        <li>\n            <div class=\"shop-project-item\">\n                <div class=\"stp-image-url\">\n                    <a href=\"https:\/\/www.carparts.com\/details\/mass-air-flow-sensor\/drivewire\/repl316708\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/images\/repl316708_2\" alt=\"DriveWire &ndash; Mass Air Flow Sensor, 4\/6\/8 Cyl. Engines, Sensor Only\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/images\/repl316708_2\" alt=\"DriveWire &ndash; Mass Air Flow Sensor, 4\/6\/8 Cyl. Engines, Sensor Only\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/mass-air-flow-sensor\/drivewire\/repl316708\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"DriveWire &ndash; Mass Air Flow Sensor, 4\/6\/8 Cyl. Engines, Sensor Only\">DriveWire &ndash; Mass Air Flow Sensor, 4\/6\/8 Cyl. Engines, Sensor Only<\/a>\n                        <\/p>\n                    \n                    <div class=\"stp-stars\">\n                        <img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/q_auto,dpr_auto,f_auto\/carparts\/blog\/widgets\/shop-project\/stars\/star-4.5.svg\" alt=\"4.5 Stars\">\n                    <\/div>\n\n                                            <p class=\"stp-price\">$34.99<\/p>\n                    \n                    <p><small>Price and rating may change from the time content is published.<\/small><\/p>\n\n                                            <p class=\"stp-cta\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/mass-air-flow-sensor\/drivewire\/repl316708\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Shop Now\">Shop Now<\/a>\n                        <\/p>\n                                    <\/div>\n\n            <\/div>\n        <\/li>\n\n            <\/ul>\n<\/div>\n\n\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The catalytic converter helps control your car&rsquo;s emission levels by breaking down noxious gases into less harmful pollutants before they&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2098-code-post-catalyst-fuel-trim-system-too-lean-bank-2\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":16104,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1314],"tags":[1189,1323,1190],"ppma_author":[2607,2985],"class_list":{"0":"post-16099","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-catalytic-converter-2","9":"tag-engine-control-module-2","10":"tag-oxygen-sensor-2","11":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2098 Code: Post Catalyst Fuel Trim System Too Lean (Bank 2) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"What does the P2098 code mean? Learn more about the causes and symptoms of lean readings from the bank 2 oxygen sensor 2 unit.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/p2098-code-post-catalyst-fuel-trim-system-too-lean-bank-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P2098 Code: Post Catalyst Fuel Trim System Too Lean (Bank 2) - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"What does the P2098 code mean? 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