{"id":15525,"date":"2021-07-23T03:32:00","date_gmt":"2021-07-23T10:32:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=15525"},"modified":"2026-02-17T23:37:33","modified_gmt":"2026-02-18T07:37:33","slug":"p2196-code-o2-sensor-signal-biased-stuck-rich-bank-1-sensor-1","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p2196-code-o2-sensor-signal-biased-stuck-rich-bank-1-sensor-1\/","title":{"rendered":"P2196 Code: O2 Sensor Signal Biased\/Stuck Rich (Bank 1, Sensor 1)"},"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-column15525_9638f0-8e > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column15525_9638f0-8e > .kt-inside-inner-col,.kadence-column15525_9638f0-8e > .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-column15525_9638f0-8e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column15525_9638f0-8e > .kt-inside-inner-col{flex-direction:column;}.kadence-column15525_9638f0-8e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column15525_9638f0-8e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column15525_9638f0-8e{position:relative;}@media all and (max-width: 1024px){.kadence-column15525_9638f0-8e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column15525_9638f0-8e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column15525_9638f0-8e inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-95619d  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-ba96b9\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading15525_af904f-e5, .wp-block-kadence-advancedheading.kt-adv-heading15525_af904f-e5[data-kb-block=\"kb-adv-heading15525_af904f-e5\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading15525_af904f-e5 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading15525_af904f-e5[data-kb-block=\"kb-adv-heading15525_af904f-e5\"] 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-heading15525_af904f-e5 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading15525_af904f-e5[data-kb-block=\"kb-adv-heading15525_af904f-e5\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading15525_af904f-e5 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading15525_af904f-e5\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P2196 diagnostic trouble code (DTC) means &ldquo;O2 Sensor Signal Biased\/Stuck Rich (Bank 1, Sensor 1).&rdquo; It&rsquo;s triggered when the powertrain control module (PCM) detects that the air-fuel ratio has deviated far from ideal proportions.<\/li>\n\n\n\n<li>The P2196 code can be caused by a failed oxygen or mass air flow sensor, sensor circuit problems, fuel system problems, Evaporative Emission Control System (EVAP) issues, or a bad PCM.<\/li>\n\n\n\n<li>The issues causing the P2196 code can result in an illuminated check engine light, reduced engine power, a rough running engine, misfires, reduced fuel economy, and excessive smoke from the exhaust.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The oxygen sensors are essential to maintaining the ideal air\/fuel mixture in your engine. They tell the powertrain control module (PCM) the amount of oxygen in the exhaust stream. Knowing the ratio of fuel to air enables the PCM to make any necessary changes to the engine&rsquo;s air\/fuel mixture.<\/p>\n\n\n\n<p>The P2196 code is one of the engine codes that indicate an issue in the oxygen sensor. If left unresolved, it can cause drivability problems and diminish your engine&rsquo;s performance. Read on to learn about its meaning, possible causes, common symptoms, and more.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P2196 Code Mean?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"769\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-1024x769.jpg\" alt=\"oxygen sensor near car engine\" class=\"wp-image-42069\" style=\"width:1024px;height:769px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-1024x769.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-300x225.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-768x576.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-1536x1153.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-928x696.jpg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine-150x113.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/oxygen-sensor-near-car-engine.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The P2196 code indicates an issue in the oxygen sensor between the catalytic converter and the engine.<\/figcaption><\/figure>\n\n\n\n<p>Diagnostic trouble code (DTC) P2196 stands for &ldquo;O2 Sensor Signal Biased\/Stuck Rich (Bank 1, Sensor 1).&rdquo; It is triggered when the PCM detects that the air\/fuel ratio has deviated so far from the ideal proportions (14.7:1) that the PCM can no longer correct it.<\/p>\n\n\n\n<p>The P2196 code indicates an issue in the oxygen sensor between the catalytic converter and the engine. Bank 1 refers to the side of the engine where the cylinder 1 is located.<\/p>\n\n\n\n<p>P2196 is a generic <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"OBD-II trouble code\">OBD-II trouble code<\/a>, so it is supported by various makes and models.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fuel Trim and P2196<\/h3>\n\n\n\n<p>The PCM uses <strong>short fuel trim<\/strong> for instantaneous corrections. The O2 voltage trace has pronounced analog waves above and below 0.5 volts with the short fuel trim<strong> <\/strong>responding to each movement of the O2 waveform. But when short fuel trim reaches its limit, long fuel trim begins to apply adaptive learning to ratchet upwards until short fuel trim can return to the center of its scale. That&rsquo;s why short fuel trim will usually be hovering on either side of zero while long fuel trim may be deep into plus or minus double digits.<\/p>\n\n\n\n<p>In the case of a stored P2196 code, long fuel trim and short fuel trim are likely to be at their positive limit, indicating a seriously out-of-balance condition beyond the ECM\/PCM&rsquo;s adjustment range. In other words, the O2 sensor voltage will top out in the rich range and stay there.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Possible Causes of the P2196 Code?<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-1024x682.jpg\" alt=\"Electric socket wire connector to O2 sensor of engine\" class=\"wp-image-42070\" style=\"width:1024px;height:682px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-1536x1024.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2021\/07\/Electric-socket-wire-connector-to-O2-sensor-of-engine.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">O2 sensor circuit problems, such as damaged wires and loose connections can cause the P2196 code.<\/figcaption><\/figure>\n\n\n\n<p>Many issues can cause this code, and they may vary depending on your vehicle&rsquo;s make and model. For example, the issues that can set a P2196 code in a Ford may slightly differ from the problems that can trigger a P2196 in a Hyundai. Here are some of the possible triggers of the code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O2 sensor circuit problems, such as damaged wires and loose connections<\/li>\n\n\n\n<li>Damaged\/Failing O2 sensor (Sensor 1, Bank 1)<\/li>\n\n\n\n<li>Rich condition due to a fuel system problem (e.g., faulty pressure regulator)<\/li>\n\n\n\n<li>Saturated EVAP canister or other EVAP problems<\/li>\n\n\n\n<li>Rich condition due to problems with other sensors, such as the <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"mass air flow sensor\">mass air flow sensor<\/a><\/li>\n\n\n\n<li>PCM issues<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P2196 Code?<\/h2>\n\n\n\n<p>The most common symptom of the error code P2196 is an illuminated check engine light. However, take note that the check engine light can activate due to many other reasons.&nbsp;<\/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>Here are some of the other symptoms related to a P2196 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Loss of engine power<\/li>\n\n\n\n<li>Rough running and misfiring<\/li>\n\n\n\n<li>Reduced fuel economy<\/li>\n\n\n\n<li>Noticeable\/Excessive smoke from the exhaust pipe<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P2196 Code<\/h2>\n\n\n\n<p>Resolving this code can be challenging, as it involves accurately diagnosing the problem. If you are not confident that you can pinpoint what triggered the code on your own, it is best to leave the job to a certified mechanic.<\/p>\n\n\n\n<p>However, if you think you&rsquo;ve got the automotive DIY repair skills, here are videos you can watch to help refresh your knowledge on code P2196:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Diagnosing Camry P2196,P2238 A\/F sensor codes PART1\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/P0dLcqsptWE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Taurus Misfire Codes, P2195, P2196, P2197- Part1\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/N_1qEjNYUm4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Taurus Misfire Codes, P2195, P2196, P2197- Part2\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/9BIik9TtdII?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P2196 Code<\/h2>\n\n\n\n<p>The diagnostics and repair procedures for this code may vary depending on the vehicle&rsquo;s specific make and model. It may be difficult to determine the right fix immediately, especially if you&rsquo;re not familiar with auto repair.<\/p>\n\n\n\n<p>Research confirmed fixes for the P2196 code that are specific to your car. Consult <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"online auto repair resources and guides\">online auto repair resources and guides<\/a> and don&rsquo;t forget to check your owner&rsquo;s manual before starting repairs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where To Find a Quality O2 Sensor Replacement<\/h2>\n\n\n\n<p>Here&rsquo;s the thing: the P2196 code is a big red flag that you can&rsquo;t just ignore unless you don&rsquo;t mind driving a vehicle that accelerates poorly, misfires, and stalls from time to time. These typically happen due to a faulty O2 sensor, which is often the culprit behind the P2196 code. To save yourself all that trouble, why not get a new <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"O2 sensor\">O2 sensor<\/a> as soon as possible with CarParts.com?<\/p>\n\n\n\n<p>CarParts.com offers a wide selection of OE-grade products from the most trusted manufacturers in the industry. Plus, you can say goodbye to long wait times thanks to our strategically located warehouses around the US. If you order before 12PM ET, you can expect your new O2 sensor to arrive in as fast as two business days!<\/p>\n\n\n\n<p>Don&rsquo;t wait until the problem gets worse, and get a brand new O2 sensor from 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\/repg960907_1\">\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\/reph960321_1\">\n<strong>Catalytic Converter<\/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\/fuel-pressure-regulator\" target=\"_blank\" aria-label=\"fuel pressure regulator\" 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\/repb318101_1\">\n<strong>Fuel Pressure Regulator<\/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\/mass-air-flow-sensor\/drivewire\/repl316708\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label='&lt;img src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repl316708_1\" alt=\"DriveWire &ndash; Mass Air Flow Sensor, 4\/6\/8 Cyl. Engines, Sensor Only\" \/&gt;'><img decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/images\/repl316708_1\" 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 oxygen sensors are essential to maintaining the ideal air\/fuel mixture in your engine. They tell the powertrain control module&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p2196-code-o2-sensor-signal-biased-stuck-rich-bank-1-sensor-1\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":12657,"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":[204,162],"ppma_author":[2607,2985],"class_list":{"0":"post-15525","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-mass-air-flow-sensor","9":"tag-oxygen-sensor","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>P2196 Code: O2 Sensor Signal Biased\/Stuck Rich (Bank 1, Sensor 1) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Learn about the OBD-II code P2196, the possible triggers of this trouble code, and the symptoms you should watch out for. 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