{"id":18342,"date":"2022-04-13T00:57:00","date_gmt":"2022-04-13T07:57:00","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=18342"},"modified":"2024-07-19T20:13:53","modified_gmt":"2024-07-20T03:13:53","slug":"p0127-code-intake-air-temperature-too-high","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p0127-code-intake-air-temperature-too-high\/","title":{"rendered":"P0127 Code: Intake Air Temperature Too High"},"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-column_fa0186-7d > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_fa0186-7d > .kt-inside-inner-col,.kadence-column_fa0186-7d > .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-column_fa0186-7d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_fa0186-7d > .kt-inside-inner-col{flex-direction:column;}.kadence-column_fa0186-7d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_fa0186-7d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_fa0186-7d{position:relative;}@media all and (max-width: 1024px){.kadence-column_fa0186-7d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_fa0186-7d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_fa0186-7d qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-7677c5  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-3612a2\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_6ab635-f9, .wp-block-kadence-advancedheading.kt-adv-heading_6ab635-f9[data-kb-block=\"kb-adv-heading_6ab635-f9\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_6ab635-f9 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_6ab635-f9[data-kb-block=\"kb-adv-heading_6ab635-f9\"] 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-heading_6ab635-f9 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_6ab635-f9[data-kb-block=\"kb-adv-heading_6ab635-f9\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_6ab635-f9 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_6ab635-f9\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>The P0127 code stands for &ldquo;Intake Air Temperature Too High,&rdquo; which means the air temperature is higher than expected based on the sensor input.<\/li><li>Some of the possible causes of the P0127 code include intake air temperature sensor failure, wiring issues, and a faulty mass air flow (MAF) sensor.<\/li><li>An illuminated check engine light, poor fuel efficiency, and decreased engine performance are some common symptoms of the P0127 code.<\/li><\/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=\"Trouble codes\">Trouble codes<\/a> are a set of numbers and letters that indicate the nature and location of a potential issue within your vehicle. When these codes are stored, the vehicle&rsquo;s computer illuminates the check engine light to alert you that an error is present.<\/p>\n\n\n\n<p>The P0127 code is a trouble code indicating a possible problem with the intake air temperature sensor or its circuit. What does this code mean and what signs should you look out for? Find out with this brief guide.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P0127 Code Mean?<\/h2>\n\n\n\n<p>Diagnostic trouble code (DTC) P0127 stands for &ldquo;Intake Air Temperature Too High.&rdquo; This code indicates higher than expected air temperature based on the sensor input, which can be skewed due to a bad thermistor or a partially shorted circuit.<\/p>\n\n\n\n<p>Most vehicles don&rsquo;t have code P0127 in their list. Nissan is one of the vehicles that list this code. On a Nissan, the intake air temperature sensor is built into the mass air flow sensor, and the temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Most vehicles don&rsquo;t have code P0127 in their list. Nissan is one of the vehicles that list this code.<\/p><cite><em>&ndash;&nbsp;<\/em><a href=\"https:\/\/www.carparts.com\/blog\/author\/richardmccuistian\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Richard McCuistian, ASE Certified Master Automobile Technician\">Richard McCuistian, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-1024x1024.jpeg\" alt=\"air temperature sensor\" class=\"wp-image-18353\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-1024x1024.jpeg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-300x300.jpeg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-768x768.jpeg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-75x75.jpeg 75w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-600x600.jpeg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-928x928.jpeg 928w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor-150x150.jpeg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2020\/10\/air-temperature-sensor.jpeg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>On a Nissan, the intake air temperature sensor is built into the mass air flow sensor.<\/figcaption><\/figure>\n\n\n\n<p>Since the intake air temperature sensor&rsquo;s input is crucial to the PCM&rsquo;s calculation of fuel delivery strategy, this code must be addressed immediately.<\/p>\n\n\n\n<p>If you&rsquo;re planning to troubleshoot P0127 yourself, read our discussion about <a href=\"https:\/\/www.carparts.com\/blog\/p0113-code-intake-air-temperature-sensor-1-circuit-high-input\/#What_is_an_Intake_Air_Temperature_IAT_Sensor_and_How_Can_It_Cause_P0113\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"what an IAT sensor is\">what an IAT sensor is<\/a> and how it can cause OBD codes to get logged.<\/p>\n\n\n\n<p><strong><em>Note<\/em><\/strong><em>: The definition of code P0127 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 P0127 Code?<\/h2>\n\n\n\n<p>Trouble codes can only indicate the nature and location of a potential issue, not the exact root cause. This is why many trouble codes have multiple possible triggers. Like many diagnostic trouble codes, the P0127 code has a number of possible causes, some of which are listed below:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Intake air temperature sensor failure<\/li><li><a href=\"https:\/\/www.carparts.com\/blog\/car-wiring\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Wiring\">Wiring<\/a> issues such as open or shorted intake air temperature sensor wiring and\/or connectors<\/li><li>Faulty <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"mass air flow (MAF) sensor\">mass air flow (MAF) sensor<\/a> (sometimes the IAT is integrated into the MAF)<\/li><li>Defective intake air inlet pipe<\/li><li><a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM\">PCM<\/a> failure<\/li><\/ul>\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 Common Symptoms of the P0127 Code?<\/h2>\n\n\n\n<p>When the vehicle&rsquo;s computer system detects a potential issue, it stores the information as a diagnostic trouble code and sends a signal to illuminate the check engine light. In many cases, it may be the only sign of an existing error. For other trouble codes such as the P0127, other symptoms may also be present. Listed below are some of the indicators of a P0127 code:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Malfunction indicator lamp (MIL) or <a href=\"https:\/\/www.carparts.com\/blog\/check-engine-light-flashing\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check engine light on\">check engine light on<\/a><\/li><li>Poor fuel efficiency<\/li><li>Decreased engine performance<\/li><li>Other drivability codes may also be stored<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P0127 Code<\/h2>\n\n\n\n<p>Proper diagnosis of a diagnostic trouble code requires accuracy and precision. Trouble codes have multiple possible causes, so it may take some effort and time to narrow down the root cause of the issue. In addition, misdiagnosis is also a possibility, which can cost you even more in future repairs.<\/p>\n\n\n\n<p>In order to get an accurate diagnosis, you will need reliable sources of repair information. The best resources you can use are <a href=\"https:\/\/www.carparts.com\/blog\/why-you-should-always-consult-a-repair-manual\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"vehicle-specific repair manuals and databases\">vehicle-specific repair manuals and databases<\/a>, which contain accurate troubleshooting instructions as well as helpful diagrams and illustrations.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-1024x681.jpg\" alt=\"two mechanic professionals perform an obd check on car\" class=\"wp-image-68354\" width=\"1024\" height=\"681\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-1024x681.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-1536x1022.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/04\/two-mechanic-professionals-perform-an-obd-check-on-car.jpg 1700w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>Proper diagnosis of a diagnostic trouble code requires accuracy and precision.<\/figcaption><\/figure>\n\n\n\n<p>Technical service bulletins (TSBs), which can often be found through a repair database, may also help you get more information about a trouble code. TSBs are especially helpful if your vehicle&rsquo;s manufacturer released one that&rsquo;s applicable to the model you own. Other resources you can use and access online include <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=\"how-to videos, blogs, and digital magazines\">how-to videos, blogs, and digital magazines<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P0127 Code<\/h2>\n\n\n\n<p>Fixing trouble codes is difficult enough because you have to accurately diagnose the problem first. That in itself is challenging already because a trouble code can have multiple possible causes.<\/p>\n\n\n\n<p>Another factor that may complicate your troubleshooting process is the fact that vehicles aren&rsquo;t built the same. Different manufacturers will have different terminologies, components, and repair instructions for their vehicles. For example, the setting conditions for a P0127 on a Volvo vehicle are different from those of a P0127 on a Nissan vehicle.<\/p>\n\n\n\n<p>Because vehicles are manufactured differently, you definitely need a reliable and vehicle-specific repair manual to help you address the issue at hand. However, doing trouble code repairs on your vehicle without the right technical know-how may be dangerous and potentially damaging to your vehicle. That&rsquo;s why if in doubt, have a certified professional do the repairs for you.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Find the Right Air Temperature Sensor<\/h2>\n\n\n\n<p>A problem with the air temperature sensor can prompt the PCM to set diagnostic trouble codes like the P0127 code. Replace the faulty sensor to avoid creating more issues. Take advantage of hassle-free searching at CarParts.com and find a replacement air temperature sensor that fits your vehicle.<\/p>\n\n\n\n<p>CarParts.com understands the importance of getting the right air temperature sensor for your car or truck. We offer an extensive array of air temperature sensors for various vehicle makes and models. Find a compatible replacement part by entering the details of your car or truck in our easy-to-use vehicle selector. Got questions about the fitment, price tag, and other features of the air temperature sensor? Our knowledgeable customer service team is available 24\/7 to assist you. Once you complete your order, you can expect to receive your new air temperature in as fast as two days if you live in the continental US and complete the ordering process before noon PT.<\/p>\n\n\n\n<p>Enjoy big savings on your new air temperature sensor at CarParts.com. Check out our <a href=\"https:\/\/www.carparts.com\/air-temperature-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"air temperature sensors\">air temperature sensors<\/a> 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\/air-temperature-sensor\" target=\"_blank\" aria-label=\"Air Temperature 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\/siats50_1\" alt=\"Air Temperature Sensor\">\n<strong>Air Temperature 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\" alt=\"Mass Air Flow Sensor\">\n<strong>Mass Air Flow Sensor<\/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<\/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>Trouble codes are a set of numbers and letters that indicate the nature and location of a potential issue within&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p0127-code-intake-air-temperature-too-high\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":18354,"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":[1974],"ppma_author":[2607,2985],"class_list":{"0":"post-18342","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-air-temperature-sensor","9":"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>P0127 Code: Intake Air Temperature Too High - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"What is the relationship between P0127 and the intake air temperature sensor? Find out more about this trouble code with this informative guide. Read on.\" \/>\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\/p0127-code-intake-air-temperature-too-high\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P0127 Code: Intake Air Temperature Too High - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"What is the relationship between P0127 and the intake air temperature sensor? Find out more about this trouble code with this informative guide. 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