{"id":18684,"date":"2022-08-05T00:34:00","date_gmt":"2022-08-05T07:34:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=18684"},"modified":"2026-02-10T19:13:01","modified_gmt":"2026-02-11T03:13:01","slug":"p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3\/","title":{"rendered":"P0145 Code: O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)"},"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-column18684_5c75fa-61 > .kt-inside-inner-col,.kadence-column18684_5c75fa-61 > .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-column18684_5c75fa-61 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column18684_5c75fa-61 > .kt-inside-inner-col{flex-direction:column;}.kadence-column18684_5c75fa-61 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column18684_5c75fa-61 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column18684_5c75fa-61{position:relative;}@media all and (max-width: 1024px){.kadence-column18684_5c75fa-61 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column18684_5c75fa-61 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column18684_5c75fa-61 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-d47405  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-9912a6\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading18684_d307fe-78, .wp-block-kadence-advancedheading.kt-adv-heading18684_d307fe-78[data-kb-block=\"kb-adv-heading18684_d307fe-78\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading18684_d307fe-78 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading18684_d307fe-78[data-kb-block=\"kb-adv-heading18684_d307fe-78\"] 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-heading18684_d307fe-78 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading18684_d307fe-78[data-kb-block=\"kb-adv-heading18684_d307fe-78\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading18684_d307fe-78 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading18684_d307fe-78\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The P0145 code stands for &ldquo;O2 Sensor Circuit Slow Response (Bank 1 Sensor 3).&rdquo; It&rsquo;s logged when the PCM detects a slow response time from a downstream oxygen sensor.<\/li>\n\n\n\n<li>Some possible causes of the P0145 code include a faulty oxygen sensor, wiring issues, a leak in the engine exhaust, and more.<\/li>\n\n\n\n<li>Symptoms to keep an eye out for include an illuminated check engine light, poor fuel mileage, and poor engine performance.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>Modern vehicles are equipped with <a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"on-board diagnostics (OBD)\">on-board diagnostics (OBD)<\/a> to make it easier for technicians to diagnose vehicle problems. While these codes are helpful to professionals, they may seem complicated at first to the average DIYer. <\/p>\n\n\n\n<p>If you&rsquo;ve retrieved an error code P0145 curious about, this informative guide is for you.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0145 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P0145 stands for &ldquo;O2 Sensor Circuit Slow Response (Bank 1 Sensor 3).&rdquo; It is logged when the powertrain control module (PCM) detects a slow response time from a downstream oxygen sensor. &ldquo;Bank 1&rdquo; refers to the part of the engine containing cylinder 1. On the other hand, &ldquo;sensor 3&rdquo; pertains to the oxygen sensor located downstream or after the catalytic converter.<\/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\/10\/trouble-code-p0145-1024x683.jpeg\" alt=\"oxygen sensors that could be causing trouble code p0145\" class=\"wp-image-18693\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/trouble-code-p0145-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/trouble-code-p0145-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/trouble-code-p0145-768x512.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/trouble-code-p0145-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/trouble-code-p0145-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/trouble-code-p0145.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Code P0145 indicates that PCM detects a slow response time from a downstream oxygen sensor.<\/figcaption><\/figure>\n\n\n\n<p>Code P0145 is set when sensor 3 is responding slower than expected. There are times when the ECM\/PCM expects sudden reaction from the downstream sensor based on dynamic conditions, and when the downstream sensor consistently fails to react in good time, this code is set.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Oxygen sensors\">Oxygen sensors<\/a>are designed to react to the changes in the composition of exhaust gases. This code is set if the sensor responds slower than usual to the changes in the exhaust.<\/p>\n\n\n\n<p>Sensor 3 monitors the efficiency of the catalytic converters in reducing emissions and relays this data to the PCM. If the latter perceives a problem in the response time of this sensor, it sets trouble code P0145. The code is also set when the oxygen sensor is too slow to allow proper fuel control and closed-loop fuel system operation.<\/p>\n\n\n\n<p>Make sure you fully understand the <a href=\"https:\/\/www.carparts.com\/blog\/p0138-code-o2-sensor-circuit-high-voltage-bank-1-sensor-2\/#How_the_Downstream_Oxygen_Sensor_Can_Trigger_P0138\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"role of the downstream oxygen sensor\">role of the downstream oxygen sensor<\/a> before attempting any DIY diagnosis or fix for P0145.<\/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><em><strong>Note:<\/strong> The definition of code P0145 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<h2 class=\"wp-block-heading\">What are the Possible Causes of the P0145 Code?<\/h2>\n\n\n\n<p>P0145 is a generic code, so it can have several 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=\"Faulty oxygen sensor\">Faulty oxygen 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 issue\">Wiring issue<\/a><\/li>\n\n\n\n<li>A leak in the engine exhaust<\/li>\n\n\n\n<li>PCM failure<\/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\/10\/exhaust-leak-p0145-1024x683.jpeg\" alt=\"exhaust leak\" class=\"wp-image-18694\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/exhaust-leak-p0145-1024x683.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/exhaust-leak-p0145-300x200.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/exhaust-leak-p0145-768x512.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/exhaust-leak-p0145-600x400.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/exhaust-leak-p0145-150x100.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/exhaust-leak-p0145.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">Code P0145 can be triggered by a leak in the engine exhaust.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Symptoms of the P0145 Code?<\/h2>\n\n\n\n<p>You may notice the following symptoms if you own a vehicle with a logged P0145 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=\"Activated check engine light\">Activated check engine light<\/a><\/li>\n\n\n\n<li>Poor fuel mileage<\/li>\n\n\n\n<li>Poor engine performance<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0145 Code<\/h2>\n\n\n\n<p>Error code P0145 is generic, which means it is supported by various makes and models. It may have triggers and symptoms similar to other DTCs. This can make its diagnosis and repair difficult for the average DIYer.<\/p>\n\n\n\n<p>Vehicles are built differently depending on the manufacturer, so the exact diagnostic and repair procedures may vary. As a rule of thumb, always refer to a repair manual for the appropriate diagnostic steps.<\/p>\n\n\n\n<p>If you&rsquo;re not confident in your automotive knowledge, it might be best to leave the diagnosis to the experts instead of DIY-ing it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0145 Code<\/h2>\n\n\n\n<p>Code P0145 may be set in vehicles of varying makes and models. It may also share similar triggers and symptoms with other error codes. However, because cars are made differently, there is no single, fail-safe solution for this code. For instance, a solution that worked for a P0145 on a <a href=\"https:\/\/www.carparts.com\/chevrolet\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevy\">Chevy<\/a> might not work for another model, especially if it&rsquo;s from a different manufacturer.<\/p>\n\n\n\n<p>All vehicles are different, so you should always refer to <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> that&rsquo;s specific to your car before addressing the issue. If you aren&rsquo;t confident in your automotive skills, it may be best to bring your vehicle to an auto repair shop for proper diagnosis and repair.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Get a Quality Replacement Oxygen Sensor<\/h2>\n\n\n\n<p>A faulty oxygen sensor can trigger DTC P0145. If this happens, your vehicle might have poor fuel efficiency and decreased engine performance. To fix DTC P0145, you&rsquo;ll need to replace the bad oxygen sensor with a quality component. Don&rsquo;t worry, CarParts.com has got your back.<\/p>\n\n\n\n<p>CarParts.com aims to help you confidently order quality replacement parts online. We offer durable aftermarket parts paired with the best deals. If you find the same part elsewhere online for cheaper, we&rsquo;re happy to match competitor prices on the spot. We also offer a lifetime replacement guarantee, meaning you can keep coming back to us once your replacement parts wear out. Our 60-day return policy is also in place so you have as much time as you need for the necessary tests.<\/p>\n\n\n\n<p>Resolve DTC P0145 today. Order a replacement <a href=\"https:\/\/www.carparts.com\/oxygen-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"oxygen sensor\">oxygen sensor<\/a> at CarParts.com.<\/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\" 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\/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>Modern vehicles are equipped with on-board diagnostics (OBD) to make it easier for technicians to diagnose vehicle problems. While these&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":1651,"featured_media":18692,"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":[1323,1190],"ppma_author":[2607,2985],"class_list":{"0":"post-18684","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-engine-control-module-2","9":"tag-oxygen-sensor-2","10":"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>P0145 Code: O2 Sensor Circuit Slow Response (Bank 1 Sensor 3) - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out why your vehicle has a logged P0145 trouble code and discover what it means with the help of this quick and informative guide.\" \/>\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\/p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0145 Code: O2 Sensor Circuit Slow Response (Bank 1 Sensor 3) - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out why your vehicle has a logged P0145 trouble code and discover what it means with the help of this quick and informative guide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-05T07:34:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-11T03:13:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/p0145-code.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"998\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"CarParts.com Research Team, Richard McCuistian, ASE Certified Master Automobile Technician\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/CarPartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"CarParts.com Research Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p0145-code-o2-sensor-circuit-slow-response-bank-1-sensor-3\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"1651\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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