{"id":30302,"date":"2021-11-09T09:00:31","date_gmt":"2021-11-09T09:00:31","guid":{"rendered":" https:\/\/dev.way.com\/blog\/?p=30302"},"modified":"2021-11-11T06:37:48","modified_gmt":"2021-11-11T06:37:48","slug":"how-to-clean-a-mass-airflow-maf-sensor","status":"publish","type":"post","link":"https:\/\/dev.way.com\/journal\/how-to-clean-a-mass-airflow-maf-sensor\/","title":{"rendered":"How to clean a mass airflow (MAF) sensor\u00a0"},"content":{"rendered":"<p style=\"text-align: center;\"><em>When you think of keeping your car clean and healthy to improve its performance, a mere car wash for its exterior won&#8217;t suffice. There are things under the hood, along with the engine, that need your attention. MAF sensor is one among those. In this blog, we will walk you through its importance and how to clean a mass airflow (MAF) sensor.\u00a0<\/em><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-30306 size-full\" src=\"https:\/\/blog.way.com\/wp-content\/uploads\/2021\/11\/MAF-sensor.png\" alt=\"cleaning a mass air flow sensor (MAF)\" width=\"660\" height=\"300\" srcset=\"http:\/\/wordwblog02.way.com\/wp-content\/uploads\/2021\/11\/MAF-sensor.png 660w, http:\/\/wordwblog02.way.com\/wp-content\/uploads\/2021\/11\/MAF-sensor-300x136.png 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<h2><span data-contrast=\"auto\">Mass airflow (MAF) sensor <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">ECU, which controls the engine&#8217;s operation functions properly with help of the MAF sensor. It accurately calculates and adds the correct quantity of fuel for the engine to perform at its best. This sensor can get clogged with junk. Consequently, the ECU receives wrong information, resulting in an improper combination of air and fuel.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The precise placement of a Mass airflow (MAF) sensor is different for each vehicle. But it&#8217;s often located between the air filter and the intake manifold in the air intake system of your car. Check the middle of the intake tube for a sensor, which is usually located near the air filter for convenience.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">Why\u00a0is\u00a0it important to have a\u00a0clean\u00a0m<\/span><span data-contrast=\"none\">ass airflow (MAF) sensor?<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Your engine may misfire if you continue to drive when the m<\/span><span data-contrast=\"none\">ass airflow (MAF) sensor is faulty<\/span><span data-contrast=\"auto\">. Misfires can cause ignition failure, damage to the catalytic converter, and unsafe or dangerous driving conditions if ignored. The sooner the mass airflow sensor is cleaned or replaced, the less likely it is to cause more significant and costly problems.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><span data-contrast=\"auto\">How to identify a faulty mass airflow (MAF) sensor?<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"auto\">To understand the function of the MAF sensor, you should be aware of OBD2 and ECU.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">OBD2 and ECU\u00a0\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">OBD2 (sometimes known as OBD-II) is an abbreviation for On-Board Diagnostics version 2. It is a built-in electrical system that continually checks engine performance and pollutants. This system can identify faults and warn you of them by turning on the check engine light using a number of sensors. You may acquire precise information about your automobile problem from this system by plugging an OBD2 scanner into the OBD2 port, which is normally situated under your dashboard. <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">OBD2 allows the ECU to continually monitor data from the MAF sensor and other sensors in your engine to ensure correct operation. You may use an OBD2 scan tool to see whether the mass airflow sensor is the problem if your check engine light is on.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">Process<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Using your data from your\u00a0OBD2 connection,\u00a0examine the MAF sensor values. You should be able to see how much air is being pumped into the engine by looking at the display. As soon as the vehicle is warmed up and idling, this should be a rather low figure. Although it may fluctuate somewhat, it should essentially maintain its current worth.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">To get the engine revving, press the gas pedal. Since a lot more air is flowing into the engine, the number should rise significantly. You can hold the engine there if you want to examine the MAF sensor value at a specific RPM. For example, the value at 2,000 RPM should be greater than at idle but lower than at 4,000 RPM.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">It&#8217;s quite likely that your mass airflow (MAF) sensor is unclean or defective if the behavior you see in the live data doesn&#8217;t fit this pattern. Experiences such as power loss, codes P0171, and\/or P0174 are other symptoms of having a faulty MAF sensor. However, you may try to clean it, but we would recommend getting a professional&#8217;s help. These sensors are sensitive, and mishandling them might cost you its replacement.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p>Read: <a href=\" https:\/\/dev.way.com\/blog\/how-to-clean-car-battery-corrosion\/\" target=\"_blank\" rel=\"noopener\">How to clean car battery corrosion the right way<\/a><\/p>\n<h2><span data-contrast=\"auto\">How to clean a mass airflow (MAF) sensor<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h2>\n<h3><span data-contrast=\"auto\">Identify the air intake system\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Look online or in your car&#8217;s repair manual to determine the air intake system for your vehicle. Know that taking apart your air intake system will allow you to inspect your engine air filter. So, at first, see if it needs to be replaced. You should change the air filter right away if it&#8217;s clogged up. Muddy or dusty driving conditions may cause the filter to become clogged sooner than intended.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cleaning your throttle body is also a good idea at this time. While you&#8217;re already in there, it should just take a few minutes to clean this sensor, which becomes filthy in the same way as the MAF sensor and can be cleaned with the same solvent.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">Locate the MAF sensor by dismantling your air intake system<\/span><\/h3>\n<p><span data-contrast=\"auto\">Plastic or aluminum tubing makes the intake system. Removing and locating the MAF sensor is a simple procedure. Upon removing the air filter, the mass airflow sensor is located exactly next to the air filter. If your air filter is in need of replacement, now is the time to do it. <\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">Clean the sensor<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">After removing the air intake tube, remove the MAF sensor.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Place the MAF sensor on a towel to collect any water that may spillover. Spray the inside of the chassis with 10-15 bursts of sensor cleaner. It&#8217;s important to protect the hot wires and the plate. Be extremely careful not to come into contact with the wires in any way. As you may imagine, they&#8217;re extremely fragile.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Spray the sensor and\u00a0the connections.\u00a0Allow a few minutes for the chemicals in the sensor to dissipate before turning on the engine again.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h3><span data-contrast=\"auto\">Reinstall the air intake system<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"auto\">Your air filter and any other items you have to remove to access the sensor may now be reinstalled. Assemble everything as you found it.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The MAF sensor should be replaced if any problems recur or persist.\u00a0It is always advised to seek the help of experts to handle it.\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\"> If you find it difficult to identify the best car wash or car care facility for your car. We are here to help. \u00a0<span class=\"hardreadability\">We recommend you to visit\u00a0<a href=\"https:\/\/www.way.com\/car-wash-near-me\" target=\"_blank\" rel=\"noopener\">Way.com<\/a>\u00a0or download the Way app (available on\u00a0<a href=\"https:\/\/apps.apple.com\/us\/app\/way-1-best-parking-app\/id1140927456\" target=\"_blank\" rel=\"noopener\">iOS<\/a>\u00a0and\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=way.com&amp;hl=en_US\" target=\"_blank\" rel=\"noopener\">Android<\/a>). You can enjoy a touch-free experience and reliable services from Way.com.\u00a0<\/span><\/span><\/p>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/blog.way.com\/wp-content\/uploads\/2021\/10\/GET-ACCESS-TO-UNLIMITED-CAR-WASHES.png\" alt=\"ACCESS TO UNLIMITED CAR WASHES.\" \/><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><i>Read our blogs for information on the\u00a0<\/i><a href=\" https:\/\/dev.way.com\/blog\/category\/parking\/airport-parking\/\"><i>best airport parking<\/i><\/a><i>\u00a0and\u00a0<\/i><a href=\" https:\/\/dev.way.com\/blog\/category\/parking\/city-parking\/\"><i>hourly parking spots<\/i><\/a><i>\u00a0near you and the most\u00a0<\/i><a href=\" https:\/\/dev.way.com\/blog\/category\/auto-insurance\/\"><i>affordable insurance for your car.<\/i><\/a><\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When you think of keeping your car clean and healthy to improve its performance, a mere car wash for its exterior won&#8217;t suffice. There are things under the hood, along with the engine, that need your attention. MAF sensor is one among those. In this blog, we will walk you through its importance and how&hellip; <a class=\"more-link\" href=\"https:\/\/dev.way.com\/journal\/how-to-clean-a-mass-airflow-maf-sensor\/\">Continue reading <span class=\"screen-reader-text\">How to clean a mass airflow (MAF) sensor\u00a0<\/span><\/a><\/p>\n","protected":false},"author":49,"featured_media":30305,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[568,1079],"tags":[2757,2758,2759,2760,2761,2762],"class_list":["post-30302","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car-wash","category-car-services","tag-clean-a-mass-airflow","tag-maf-sensor","tag-faulty-mass-airflow","tag-obd2","tag-ecu","tag-on-board-diagnostics","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.3 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to clean a mass airflow (MAF) sensor and why is it important<\/title>\n<meta name=\"description\" content=\"There are things under the hood along with the engine, that need your attention. 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