{"id":19002,"date":"2022-08-21T18:57:00","date_gmt":"2022-08-22T01:57:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=19002"},"modified":"2026-02-11T22:53:19","modified_gmt":"2026-02-12T06:53:19","slug":"p013b-code-o2-sensor-slow-response-lean-to-rich-bank-1-sensor-2","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p013b-code-o2-sensor-slow-response-lean-to-rich-bank-1-sensor-2\/","title":{"rendered":"P013B Code: O2 Sensor Slow Response &#8211; Lean to Rich (Bank 1 Sensor 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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column19002_ff4947-7e > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column19002_ff4947-7e > .kt-inside-inner-col,.kadence-column19002_ff4947-7e > .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-column19002_ff4947-7e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column19002_ff4947-7e > .kt-inside-inner-col{flex-direction:column;}.kadence-column19002_ff4947-7e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column19002_ff4947-7e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column19002_ff4947-7e{position:relative;}@media all and (max-width: 1024px){.kadence-column19002_ff4947-7e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column19002_ff4947-7e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column19002_ff4947-7e inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-d699a0  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-e9c945\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading19002_1b076f-07, .wp-block-kadence-advancedheading.kt-adv-heading19002_1b076f-07[data-kb-block=\"kb-adv-heading19002_1b076f-07\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading19002_1b076f-07 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading19002_1b076f-07[data-kb-block=\"kb-adv-heading19002_1b076f-07\"] 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-heading19002_1b076f-07 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading19002_1b076f-07[data-kb-block=\"kb-adv-heading19002_1b076f-07\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading19002_1b076f-07 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading19002_1b076f-07\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P013B code stands for &ldquo;O2 Sensor Slow Response&ndash;Lean to Rich (Bank 1, Sensor 2),&rdquo; which means the powertrain control module (PCM) detects that oxygen sensor 2 in bank 1 is taking too long to switch from rich to lean.<\/li>\n\n\n\n<li>A malfunctioning O2 sensor, wiring issues, and a broken catalytic converter are some possible causes of the P013B code.<\/li>\n\n\n\n<li>Common symptoms of the P013B code include an illuminated check engine light, poor engine performance, and poor fuel mileage.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"On-board diagnostic (OBD) codes\">On-board diagnostic (OBD) codes<\/a> are designed to help you or your mechanic identify possible problems in your vehicle. They can be retrieved with a scan tool, though knowing what they mean is another thing. Before attempting any fixes to resolve them, you should first understand the meaning, triggers, and symptoms of the logged code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P013B Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P013B stands for &ldquo;O2 Sensor Slow Response &ndash; Lean to Rich (Bank 1, Sensor 2).&rdquo; This code is logged once the powertrain control module (PCM) detects that oxygen sensor 2 in bank 1 of the engine is taking longer than expected to switch from rich (a higher output voltage) to lean (a lower output voltage).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B-1024x683.jpeg\" alt=\"obd code P013B\" class=\"wp-image-19023\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B-768x513.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/obd-code-P013B.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Code P013B means that the oxygen sensor 2 in bank 1 of the engine is taking longer than expected to switch from rich (a higher output voltage) to lean (a lower output voltage). <\/figcaption><\/figure>\n\n\n\n<p>&ldquo;Bank 1&rdquo; refers to the side of the engine where cylinder 1 is located. &ldquo;Sensor 2&rdquo; refers to the downstream oxygen sensor located after the <a href=\"https:\/\/www.carparts.com\/catalytic-converter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"catalytic converter\">catalytic converter<\/a>. <\/p>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Oxygen (O2) sensors\">Oxygen (O2) sensors<\/a> keep track of the oxygen levels in the air that enters and exits the catalytic converter. These sensors send data to the PCM, which will be used for post-catalyst monitoring and fuel control. Each oxygen sensor compares the oxygen content of ambient air with the oxygen content in the exhaust stream. For the sensor to provide an accurate reading, it has to reach optimal operating temperature.<\/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<p>During start-up, the PCM is in open loop, disregarding the voltage signal from the oxygen sensor. Once the sensor reaches operating temperature and closed loop is achieved, it generates voltage within a certain threshold. This voltage fluctuates depending on whether the exhaust stream is lean or rich. A typical zirconia oxygen sensor generates a higher voltage when the mixture is rich and a lower voltage when the mixture is lean.<\/p>\n\n\n\n<p>If the PCM perceives that the oxygen sensor is taking too long to change its signal from a lower voltage to a higher voltage, it logs error code P013B.<\/p>\n\n\n\n<p>Other DTCs may also be stored alongside it, such as <a href=\"https:\/\/www.carparts.com\/blog\/p013a-o2-sensor-slow-response-rich-to-lean-bank-1-sensor-2\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P013A\">P013A<\/a>, <a href=\"https:\/\/www.carparts.com\/blog\/p013c-code-o2-sensor-slow-response-rich-to-lean-bank-2-sensor-2\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"P013C\">P013C<\/a>, P013D, P014C, P014D, P014E, and P014F.<\/p>\n\n\n\n<p><em><strong>Note: <\/strong>The definition of code P013B may be different depending on the vehicle manufacturer. Consult the appropriate repair manual or repair database for the exact code definition. <\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"680\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/faulty-o2-sensor-1024x680.jpeg\" alt=\"faulty o2 sensor\" class=\"wp-image-19024\" style=\"width:1024px;height:680px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/faulty-o2-sensor-1024x680.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/faulty-o2-sensor-300x199.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/faulty-o2-sensor-768x510.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/faulty-o2-sensor-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/faulty-o2-sensor.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">A malfunctioning oxygen sensor is a possible cause of code P013B.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Possible Causes of the P013B Code?<\/h2>\n\n\n\n<p>P013B is a generic code, so it can have many causes. Here are the most common:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/bad-o2-sensor-symptoms-causes-replacement-cost\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Malfunctioning O2 sensor\">Malfunctioning O2 sensor<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring\">Wiring<\/a> issues<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/bad-catalytic-converter-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Broken catalytic converter\">Broken catalytic converter<\/a><\/li>\n\n\n\n<li>Leaks in the engine exhaust<\/li>\n\n\n\n<li>Engine running too rich or too lean <\/li>\n\n\n\n<li>Faulty PCM<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P013B Code?<\/h2>\n\n\n\n<p>You may notice the following symptoms on a vehicle that has set a P013B trouble code:<\/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=\"Illuminated check engine light\">Illuminated check engine light<\/a><\/li>\n\n\n\n<li>Poor engine performance<\/li>\n\n\n\n<li>Poor fuel mileage<\/li>\n\n\n\n<li>Other related DTCs may also be stored<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b-1024x683.jpeg\" alt=\"poor fuel mileage p013b\" class=\"wp-image-19025\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b-768x512.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/11\/poor-fuel-mileage-p013b.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Poor fuel mileage can be a sign that your vehicle is running with the P013B code.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P013B Code<\/h2>\n\n\n\n<p>Code P013B that points to a problem with the downstream O2 sensor (2\/2 or 1\/2), which is already supposed to be lazier than the upstream sensor on a system where the catalyst is storing oxygen correctly. If you have some DIY automotive troubleshooting experience, you can try diagnosing the problem <a href=\"https:\/\/www.carparts.com\/blog\/p0139-code-o2-sensor-circuit-slow-response-bank-1-sensor-2\/#Using_a_Scan_Tool_Record_Utility\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"using a scan tool record utility\">using a scan tool record utility<\/a>.<\/p>\n\n\n\n<p>Take note that to avoid complications, code P013B should be resolved immediately. However, since it has many possible triggers, it may be difficult to pinpoint the exact cause of the problem. Always refer to the repair manual specific to your vehicle before attempting diagnosis. All vehicles are built differently, so their diagnostic processes may vary.<\/p>\n\n\n\n<p>For instance, a P013B on a <a href=\"https:\/\/www.carparts.com\/blog\/saturn-vue-reliability-and-common-problems\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Saturn Vue\">Saturn Vue<\/a> may be diagnosed differently from a code P013B on a <a href=\"https:\/\/www.carparts.com\/blog\/chevrolet-cruze-reliability-and-common-problems\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevrolet Cruze\">Chevrolet Cruze<\/a>. As such, always refer to a repair manual before attempting anything. But if reading it has only left you confused, it might be best to leave the diagnosis to an expert.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P013B Code<\/h2>\n\n\n\n<p>Code P013B may be set in vehicles of varying makes and models. It may also share similar causes and symptoms with other DTCs. However, sharing similar symptoms does not mean a single solution will work across different makes and models.<\/p>\n\n\n\n<p>Always refer to the <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"factory repair information\">factory repair information<\/a> specific to your vehicle before DIY-ing any repairs. And if you aren&rsquo;t confident in your automotive repair skills, have a technician do it for you. Just bring your car to an auto repair shop to receive the appropriate diagnosis and fix.<\/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\" alt=\"Oxygen Sensor\">\n<strong>Oxygen 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\/repi960303_1\" alt=\"Catalytic Converter\">\n<strong>Catalytic Converter<\/strong>\n<\/a>\n\n<a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" aria-label=\"Engine Control Module\" 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\/a1721000_1\" alt=\"Engine Control Module\">\n<strong>Engine Control Module<\/strong>\n<\/a>\n\n<!-- end of editable content -->\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\/engine-control-module\/a1-cardone\/a1777747\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/a1777747_1\" alt=\"A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/a1777747_1\" alt=\"A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually\"><\/a>\n                <\/div>\n\n                <div class=\"stp-desc\">\n                                            <p class=\"stp-title\">\n                            <a href=\"https:\/\/www.carparts.com\/details\/engine-control-module\/a1-cardone\/a1777747\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually\">A1 Cardone&reg; &ndash; 77-7747 Reman Series Engine Control Module &ndash; Direct Fit, Sold individually<\/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\">$95.49<\/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\/engine-control-module\/a1-cardone\/a1777747\" 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\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>On-board diagnostic (OBD) codes are designed to help you or your mechanic identify possible problems in your vehicle. They can&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p013b-code-o2-sensor-slow-response-lean-to-rich-bank-1-sensor-2\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":19009,"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":[1190],"ppma_author":[2607,2985],"class_list":{"0":"post-19002","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-oxygen-sensor-2","9":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P013B Code: O2 Sensor Slow Response - Lean to Rich (Bank 1 Sensor 2) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Wondering what code P013B means? 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