{"id":84997,"date":"2023-06-06T20:23:56","date_gmt":"2023-06-07T03:23:56","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=84997"},"modified":"2024-12-19T05:59:01","modified_gmt":"2024-12-19T13:59:01","slug":"p1101-code-maf-sensor-out-of-self-test-range","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/p1101-code-maf-sensor-out-of-self-test-range\/","title":{"rendered":"P1101 Code: MAF Sensor Out of Self Test Range"},"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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column84997_384859-c0 > .kt-inside-inner-col,.kadence-column84997_384859-c0 > .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-column84997_384859-c0 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column84997_384859-c0 > .kt-inside-inner-col{flex-direction:column;}.kadence-column84997_384859-c0 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column84997_384859-c0 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column84997_384859-c0{position:relative;}@media all and (max-width: 1024px){.kadence-column84997_384859-c0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column84997_384859-c0 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column84997_384859-c0 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-038fb2  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-27d7c7\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading84997_3e1e90-93, .wp-block-kadence-advancedheading.kt-adv-heading84997_3e1e90-93[data-kb-block=\"kb-adv-heading84997_3e1e90-93\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading84997_3e1e90-93 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading84997_3e1e90-93[data-kb-block=\"kb-adv-heading84997_3e1e90-93\"] 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-heading84997_3e1e90-93 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading84997_3e1e90-93[data-kb-block=\"kb-adv-heading84997_3e1e90-93\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading84997_3e1e90-93 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading84997_3e1e90-93\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The code P1101 is logged once the PCM detects an issue with your MAF sensor.<\/li>\n\n\n\n<li>The common causes of a P1101 code include a damaged MAF sensor, a bad MAF sensor wiring harness, a clogged MAF sensor, and a PCM issue.<\/li>\n\n\n\n<li>The common symptoms of a P1101 code include an illuminated check engine light, stalling, and reduced engine power while driving. You&rsquo;ll also observe erratic idling upon startup.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/mass-air-flow-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"mass air flow (MAF) sensor\">mass air flow (MAF) sensor<\/a> measures the amount of air volume delivered to the engine. Typically found in many fuel injection systems, the MAF sensor works with the <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> to deliver the right amount of fuel to the engine.<\/p>\n\n\n\n<p>If the MAF sensor fails, on-board diagnostics will log a P1101 engine code.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does the P1101 Code Mean?<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/search-obd2-codes-list\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Diagnostic trouble code\">Diagnostic trouble code<\/a> (DTC) P1101 stands for &ldquo;MAF sensor out of self test range.&rdquo;<\/p>\n\n\n\n<p>The MAF sensor works with the PCM to determine the amount of fuel needed and base pulse-width numbers.<\/p>\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\/2023\/06\/car-mass-airflow-sensor-installed-1024x682.jpg\" alt=\"car mass airflow sensor installed\" class=\"wp-image-84998\" style=\"width:1024px;height:682px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-1024x682.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-768x511.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-1536x1023.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-scaled.jpg 2048w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/car-mass-airflow-sensor-installed-150x100.jpg 150w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">The MAF sensor works with the PCM to determine the amount of fuel needed and base pulse-width numbers.<\/figcaption><\/figure>\n\n\n\n<p>This means that the duration of the injector&rsquo;s operation will depend on the mass of incoming air.<\/p>\n\n\n\n<p>The MAF sensor also acts as a backup <a href=\"https:\/\/www.carparts.com\/throttle-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"throttle position (TP) sensor\">throttle position (TP) sensor<\/a> in case the latter fails.<\/p>\n\n\n\n<p>A problem with the MAF sensor will leave the fuel calculation process to the PCM, which will be based on the throttle position and engine speed.<\/p>\n\n\n\n<p>MAF sensor issues will also cause the engine computer to log a P1101 code.<\/p>\n\n\n\n<p>For more technical information about fuel injection and airflow, read our advanced discussion about the <a href=\"https:\/\/www.carparts.com\/blog\/p0101-code-mass-or-volume-air-flow-a-circuit-range-performance\/#A_Closer_Look_at_MAF_and_MAP_sensors\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"MAF and MAP sensors\">MAF and MAP sensors<\/a>.<\/p>\n\n\n\n<p><strong><em>Note:<\/em><\/strong><em> The definition of code P1101 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<h3 class=\"wp-block-heading\">P1101 on Some Chevrolet Vehicles<\/h3>\n\n\n\n<p>The P1101 code can appear in some <a href=\"https:\/\/www.carparts.com\/chevrolet\/cruze\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Chevrolet Cruze\">Chevrolet Cruze<\/a> vehicles. In the <a href=\"https:\/\/www.carparts.com\/vehicle\/2017\/Chevrolet\/Cruze\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"2017 model\">2017 model<\/a>, this code translates to &ldquo;Intake Air Flow System Performance.&rdquo;<\/p>\n\n\n\n<p>The PCM typically sets this DTC when the electronic control module detects that the actual airflow rate is greater than the calculated airflow.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What are the Common Causes of the P1101 Code?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.carparts.com\/blog\/symptoms-of-failing-mass-air-flow-sensor\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Damaged MAF sensor\">Damaged MAF sensor<\/a><\/li>\n\n\n\n<li>Corroded or faulty MAF sensor wiring harness<\/li>\n\n\n\n<li>Clogged MAF sensor<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-pcm-meaning-symptoms-of-failure-and-more\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"PCM issues\">PCM issues<\/a><\/li>\n<\/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 P1101 Code?<\/h2>\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>Erratic idling upon startup<\/li>\n\n\n\n<li><a href=\"https:\/\/www.carparts.com\/blog\/car-shuts-off-while-driving-causes-what-to-do\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Stalling\">Stalling<\/a><\/li>\n\n\n\n<li>Reduced power while driving<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">How to Diagnose the P1101 Code<\/h2>\n\n\n\n<p>DTC P1101 is a powertrain code that can be logged in various models. However, keep in mind that the steps for diagnosis and repair can vary, depending on vehicle specifications.<\/p>\n\n\n\n<p>If you&rsquo;re not familiar with the process of diagnosing trouble codes yet, it&rsquo;s best to leave the job to the pros.<\/p>\n\n\n\n<p>But if you think you can handle the task on your own with minimal supervision, then you can go ahead and work on your vehicle.<\/p>\n\n\n\n<p>Here&rsquo;s a short video you can watch to get an idea of what the process usually involves.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Fix the P1101 Code<\/h2>\n\n\n\n<p>Attempting to fix a P1101 code can be tricky, especially if you&rsquo;re not well-versed in automotive repair and lack the necessary equipment. Under these circumstances, a trip to the nearest auto repair shop is your best bet at resolving the problem.<\/p>\n\n\n\n<p>But if you think you have enough skills and the right tools to fix the problem on your own, you can start the repair process by having guides like those from Chilton or an ALLDATA subscription. These references contain vehicle-specific repair information to make the process easier for you.<\/p>\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\"> 3<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The mass air flow (MAF) sensor measures the amount of air volume delivered to the engine. Typically found in many&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/p1101-code-maf-sensor-out-of-self-test-range\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":84999,"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":[983,1323,1462,1679],"ppma_author":[2607,2985],"class_list":{"0":"post-84997","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-obd-ii-trouble-codes","8":"tag-chevrolet-cruze","9":"tag-engine-control-module-2","10":"tag-mass-air-flow-sensor-2","11":"tag-throttle-position-sensor","12":"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>P1101 Code: MAF Sensor Out of Self Test Range - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Find out what a P1101 code means, as well as the most common symptoms associated with it in this comprehensive 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\/p1101-code-maf-sensor-out-of-self-test-range\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"P1101 Code: MAF Sensor Out of Self Test Range - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Find out what a P1101 code means, as well as the most common symptoms associated with it in this comprehensive guide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/p1101-code-maf-sensor-out-of-self-test-range\/\" \/>\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:published_time\" content=\"2023-06-07T03:23:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-19T13:59:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2023\/06\/mass-airflow-sensors-in-car-air-intake-system-visible-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2048\" \/>\n\t<meta property=\"og:image:height\" content=\"1294\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1101-code-maf-sensor-out-of-self-test-range\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/p1101-code-maf-sensor-out-of-self-test-range\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"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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