2004 chevy silverado mass air flow sensor

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Mar 12, 2017 · we got a bad MAF on the truck and have been driving it with it unplugged so its time to replace. 1. Locating the Mass Air Flow Sensor in a Chevy Silverado. In most Chevy Silverado models, the mass air flow sensor is located in the air intake duct or the air filter housing, typically between the air filter box and the throttle body. To locate the MAF sensor, follow these steps: Open the hood of your Chevy Silverado.Mar 2, 2023 · 3. Hesitation, rough or jerky acceleration. As you may suspect, a faulty fuel injection caused by a poor MAF sensor can also make your acceleration rough or jerky. This is usually because the air-fuel mixture becomes too lean, so the car engine “starves” due to a lack of food, and this will cause it to jerk.Important tips to consider when replacing a Mass Air Flow (MAF) Sensor.Instructions:1) Check for trouble codes; the vehicle may have problems preventing the ...Specifications Safety Information Vehicle Fitment Guide Buy Mass Air Flow (MAF) Sensor - New - DEM AF10158 online from NAPA Auto Parts Stores. Get deals on automotive parts, truck parts and more.This is going to vary based on what the RPM is at when you are looking at it. The MAF sensor simply measures the mass (amount) of air coming into the engine so that the PCM can add the correct amount of fuel. A rule of thumb on a MAF's air flow rate at 500 rpm is 1 gram per second per liter of engine displacement.

Buy GM Genuine Parts 19330121 Mass Airflow Sensor with Intake Air Temperature Sensor: Mass Air Flow ... Rainier 2004-2007,Cadillac-CTS 2004-2005,Deville 2000-2005,Eldorado 2000-2002,Escalade 2002-2006,Seville 2000-2004,Chevy-Avalanche 2002-2006,CK Pickup 2001-2002,Corvette 2001-2007,SSR 2003-2006,Silverado 1500 1999-2007,Silverado …Jun 11, 2015 · Here's how to clean or replace your Silverado's mass air flow (MAF) sensor, and ensure the engine is metering air as it should. This article applies to the Chevrolet Silverado GMT800 (1999-2006). The mass air flow (MAF) sensor in your truck plays a vital roll in the operation of its engine.  · Duramax-Joe Discussion starter · #5 · Jun 16, 2010. I was getting the a Suncoast G-Max kit installed. The guy doing the work was having problems with Suncoast's converter not locking up. Suncoast told him to check all the sensor's. That's how he found it. I had Enervative do tuning and I HAD A PINGING ISSUE.Your vehicle is equipped with various sensors that are crucial to its operation. A mass air flow (MAF) sensor, for example, is one of the key components of the engine’s fuel injection system.It measures the amount of air entering the engine so that the powertrain control module (PCM) would know how much fuel is needed by the engine.Aug 31, 2018 · In this video I replace the mass airflow sensor in my 2003 Chevrolet Suburban with the OEM unit by Delphi and the 5.3l motor. I was getting the code P0101. T...

Here are a couple of others: A MAF sensor diagnostic trouble code (DTC) stored in your vehicle computer's memory. P0100: Mass Air Flow (MAF) Sensor Circuit Malfunction. P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input.The intricacies of the inner workings are what make a vehicle like the Chevrolet Silverado so miraculous. We often give credit to the big parts like the engine, transmission, differentials and suspension, when in reality we have the little things to thank for keeping these vehicles running strong. ... Aftermarket Silverado mass air flow sensors ...Mass Air Flow Sensor - Fits Chevy Silverado, Suburban 1500, 2500, Tahoe, GMC Yukon XL 1500, Sierra, Cadillac Escalade, ESV, EXT 5.3L, 6.0L, 4.8 & More - Replaces# 25168491, AF10043, 25318411, 2134160 ... 2007 Chevrolet Silverado 1500 HD Classic; 1999-2004 Chevrolet Silverado 2500 6.0L; 2001-2006 Chevrolet Silverado …Pull the old MAF sensor out of the air filter housing pipe 4, then unclip the connector with the help of a flat-tip screwdriver 5.Be careful not to damage the wiring connector or the wires ... 3. Hesitation, rough or jerky acceleration. As you may suspect, a faulty fuel injection caused by a poor MAF sensor can also make your acceleration rough or jerky. This is usually because the air-fuel mixture becomes too lean, so the car engine “starves” due to a lack of food, and this will cause it to jerk.

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The mass air flow sensor, or MAF sensor, is an important part of the fuel injection system on your Chevy Silverado. The MAF sensor measures the airflow into the motor and sends this information to the engine computer. This sensor is subjected to soot and dirt and can become very dirty, causing it to send erratic or inaccurate information.Buy Mass Air Flow Sensor - Compatible with Chevy, Cadillac, GMC & More - Impala, Monte Carlo, S10, Blazer, Malibu, ... FAERSI Mass Air Flow Sensor Compatible with Chevy Silverado, Suburban 1500, 2500, Tahoe, GMC Yukon XL 1500 Sierra Cadillac Escalade 5.3L, 6.0L, 4.8 & More - Replaces 25168491, AF10043, 25318411 ... 1996-2004 …Jul 3, 2019 · AdvanEX Mass Air Flow Sensor MAF Compatible with Chevrolet Silverado Suburban Escalade Tahoe Yukon 99-07 /Cadillac Rainier Deville Eldorado 00-05 /Pontiac 05-06 Replaces OE 213 4160 25318411 86-8411 3.9 out of 5 stars 282Labor: 1.0. The cost to diagnose the P0101 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

Jan 2, 2021 · 2. cfell · #11 · May 4, 2021. Per discussion I removed and cleaned TMAP sensor. It was totally fouled at first clean around 50k miles. Now at 52222 miles, fresh T6 15-40w, a little coating.. dry soot. Dark black. 90% was Highway speed (60-75 mostly) for several hours. Apr 29, 2022 · Chevrolet Silverado (Mass Air Flow Sensor) MAF is becoming the most common issues on vehicles now and days. Jan 8, 2016 · Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · [email protected]. Read FAQ. GET A QUOTE. Common signs of problems with a mass airflow sensor include running rich at idle or lean under load, decrease in fuel efficiency, and rough idles.TEST 1: Checking The MAF Sensor Power Circuit. TEST 2: Checking The MAF Sensor Ground Circuit. TEST 3: Checking The MAF Sensor Signal. You can find this tutorial in Spanish here: Cómo Probar El Sensor MAF (GM 3.5L) (at: autotecnico-online.com ).Feb 24, 2012 · A mass airflow sensor (MAS) determines the mass of air entering a vehicle's fuel injection engine, and passes that data to the Engine Control Unit, or ECU. The air mass information is necessary for the ECU to correctly balance and deliver the correct amount of fuel to the engine. When a vehicle's mass airflow sensor is faulty or defective it can …May 24, 2020 · The Mass Air Flow (MAF) sensor is a really important component of your vehicle’s electronic fuel injection system. The MAF sensor is located between the intake manifold and the air filter of the engine of your vehicle. In most modern vehicles, there is an IAT sensor (intake air temperature sensor). It is installed in the MAF sensor.The mass air flow sensor, or MAF for short, has a critical role in the operation of an engine. The MAF is located on the intake of your Silverado just before the throttle body. This sensor provides the ECU with a live reading of the air density being pulled (or forced in the case of boost) into the engine.We currently carry 8 Air Flow Meter & Mass Air products to choose from for your 2004 Chevrolet Silverado 1500, and our inventory prices range from as little as $90.99 up to $231.99. On top of low prices, Advance Auto Parts offers 6 different trusted brands of Air Flow Meter & Mass Air products for the 2004 Chevrolet Silverado 1500.

Cardone Remanufactured Mass Airflow Sensors 7450074. MAF Sensors, Remanufactured Mass Airflow Sensors, Cadillac, Chevrolet, GMC, Each. Part Number: AAZ-74-50074. Not Yet Reviewed. Core Charge $37.00. Special Order. $76.99. Not Available At This Time. This product cannot be ordered at this time.

Oct 2, 2023 · P0100 is a diagnostic trouble code (DTC) for "Mass Airflow (MAF) Circuit Problem". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for $154.99 .Aug 28, 2023 · Testing a MAF Sensor’s Voltage Signal. Turn the ignition switch to the Off position. Plug in the MAF sensor’s electrical connector. Backprobe the sensor’s signal (+) wire with your meter’s red lead, and the ground (-) wire with your meter’s black lead. Make sure the meter’s leads are away from moving engine components.6. Last. The mass air flow (MAF) sensor measures the mass flow rate of air entering the engine. This information is then used by the ECU to calculate the amount of fuel needed for the correct air-fuel mixture. If the mass air flow sensor has failed or needs to be cleaned, this can cause especially rich or lean fuel mixtures. P0101 on Some Chevrolet Vehicles. Code P0101 may appear on some Chevrolet vehicles, including on a 2005 Chevrolet Silverado 1500 5.3L V8. DTC P0101 is set when the PCM detects that the actual MAF sensor frequency signal is not within a predetermined range of the calculated MAF value for more than 4 seconds. Conditions for running the P0101 code ... · Most likely it is the MAF (Mass Air Flow) sensor, located between the air filter and turbo. ... 2004.5 GMC SLT 4X4 CCLB LLY Ally, some mystery stuff, trans by Mike L, Magnaflow DP, 4" CAT back, Ride Rites, LBZ turbo inlet mod, AD II 165, po' man CAI, HIDs, stock height, Cognito tie rods, Kryptonite pitman & idler, Bilstein 5100s, Isspros, H2 ...Aug 31, 2018 · In this video I replace the mass airflow sensor in my 2003 Chevrolet Suburban with the OEM unit by Delphi and the 5.3l motor. I was getting the code P0101. T... 1-21 of 21 Results Items per Page Grid Filter Sort by Duralast New Mass Air Flow Sensor DL-6012 Part # DL-6012 SKU # 266835 Limited-Lifetime Warranty Check if this fits your Chevrolet Silverado 1500Feb 24, 2012 · Remove the Sensor. To clean your mass airflow sensor, first, you must take it out. This is done by opening your vehicle's air box and using a flathead screwdriver to pluck it out. When removing the sensor, be sure to never touch the wires. A disconnected mass airflow sensor can't electrocute you, but the wires are delicate and small.

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Shop the Auto Repair Guys store HOW TO TEST MAF SENSOR, MASS AIRFLOW SENSOR CHEVY, CHEVROLET, GMC, BUICK, CADILLAC Car Scanner: https://amzn.to/2G5lxTi Check out our …‎Air Flow Sensor : Manufacturer ‎ACDelco : Model ‎ACDelco - Mass Air Flow S (Slp) (213-1585) Item Weight ‎2.4 ounces : Product Dimensions ‎4.5 x 4 x 2.1 inches : Country of Origin ‎Japan : Item model number ‎213-1585 : Exterior ‎Painted : Manufacturer Part Number ‎213-1585 : OEM Part Number ‎12579352The powertrain control module (PCM) uses that reading along with other sensor parameters to ensure proper fuel delivery at any given time for optimum power and fuel efficiency. Basically this P0101 diagnostic trouble code (DTC) means that there is a problem with the Mass Air Flow (MAF) sensor or circuit. The PCM detects that the actual MAF ...Feb 28, 2021 · Buy AF10043 Mass Airflow Sensor MAF Meter Compatible with Chevy Silverado, Suburban 1500 2500, Tahoe, GMC Sierra, Yukon XL 1500, Cadillac Escalade ESV EXT, OE 25168491, 2134160, 213364, MF8411, 28411M: Mass Air Flow - Amazon.com FREE DELIVERY possible on eligible purchases Jan 22, 2009 · Now, in case this is not the article you're looking for, there are also 3 other GM MAF sensor test articles: How To Test The GM Mass Air Flow Sensor: GMC Savana Van and Chevy Express Van 4.3L, 5.3L, 6.0L Engines (2003-2008) How To Test The GM Mass Air Flow (MAF) Sensor: 4.8L, 5.3L, 6.0L, and 8.1L V8 Engines (1999-2010) Ford F150 2004-2008: Located on the side of the engine housing: 14-19 Chevy Silverado: Near the engine bay: Nissan Sentra: between the intake manifold and the engine’s air filter: BMW F30 F31 F34: ... If you are resetting the mass air flow sensor, it can take you around 30 minutes. And if you are resetting the sensor by disconnecting the ...Jul 10, 2018 · Here are a couple of common MAF sensor styles. The mass air flow sensor calculates the volume of air entering the engine. If it is malfunctioning, your truck’s PCM won’t know how much air is entering the engine. When this happens, it can cause your Chevy Silverado’s engine to run rich or lean. If it were running rich, you’d get P0172.Jul 9, 2021 · The Mass Air Flow sensor (MAF) is one of the key components of an electronic fuel injection system in your car. It is installed between the air filter and the intake manifold of the engine. See the diagram. The mass air flow sensor measures the amount of air entering the engine or the air flow. In modern cars, an intake air temperature or IAT ...Apr 20, 2018 · Mass airflow of other chevy vehicles. Press the red clip slightly to unlock it. Unplug the electrical connector from the mass airflow sensor. Remove the screws that hold the mass airflow sensor in place. Remove the sensor. Install the new MAF on your Chevrolet. Tighten the screws so that they are snug. ….

The P0103 code stands for “Mass or Volume Air Flow (MAF) ‘A’ Circuit High,” which means the powertrain control module (PCM) detected a high voltage output coming from the MAF sensor. Some of the possible causes of the P0103 code include a faulty MAF, an issue with the MAF’s circuit, and PCM problems.Chevy Silverado 2500 HD 6.6L 2004, Mass Air Flow Sensor by TRQ®. TRQ Genuine Series works with Tier 1 Original Equipment manufacturers to provide customers with the same parts supplied to dealerships at a more competitive price point.The average cost for. a. Chevrolet Silverado 1500 Mass Airflow Sensor Replacement. is between. $192. and. $293. . Labor costs are estimated between $32 and $40 while parts are priced between $161 and $254.Here are a couple of common MAF sensor styles. The mass air flow sensor calculates the volume of air entering the engine. If it is malfunctioning, your truck’s PCM won’t know how much air is entering the engine. When this happens, it can cause your Chevy Silverado’s engine to run rich or lean. If it were running rich, you’d get P0172.2004 Chevy Silverado Mass Air Flow Sensor Location. A vital part of a car’s electronic fuel injection system is the mass airflow sensor (MAF). It is situated between the air filter and the engine’s intake manifold in a Chevy Silverado. In some automobiles, the mass air flow sensor and the intake air temperature (IAT) sensor are integrated.Mass airflow of other chevy vehicles. Press the red clip slightly to unlock it. Unplug the electrical connector from the mass airflow sensor. Remove the screws that hold the mass airflow sensor in place. Remove the sensor. Install the new MAF on your Chevrolet. Tighten the screws so that they are snug.2004 Chevy Silverado Mass Air Flow Sensor Location. A vital part of a car’s electronic fuel injection system is the mass airflow sensor (MAF). It is situated between the air filter and the engine’s intake manifold in a Chevy Silverado. In some automobiles, the mass air flow sensor and the intake air temperature (IAT) sensor are integrated.CRC and other companies probably make mass air flow sensor cleaner in a aerosol can. 2015 GMC 3500HD CCLB DRW Fleece ... Sold 2004 LLY RCLB 4x4 80,000 miles bone stock SOLD 2011 Chevy RCLB 4x4 LML 3500HD SOLD 2013 GMC CCSB 4x4 LML 3500HD dads ... cleaning a mass air flow is only a temporary fix and it never is the …Oct 18, 2010 · CASE 1: The Hertz (Hz) signal increased and decreased as the engine was accelerated and decelerated respectively. This is the correct test result and it tells you that the mass air flow (MAF) sensor is working correctly. CASE 2: The Hertz (Hz) signal DID NOT increase nor decreased as the engine was accelerated and decelerated respectively. 2004 chevy silverado mass air flow sensor, Labor: 1.0. The cost to diagnose the P0101 Chevrolet code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour., Some symptoms of a vehicle’s mass air flow sensor going bad are difficulty starting the engine, engine stalling and hesitation during acceleration. These problems are similar to those caused by a faulty fuel pump., The mass air flow (MAF) sensor, part of your vehicle’s electronic fuel injection system, is responsible for calculating the total amount of air entering the engine. A faulty MAF sensor can cause your vehicle to run too rich or run too lean. You’ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires., 2004 Chevrolet Silverado 1500 Mass Air Flow Sensor Buy Online. Pick Up In-Store. Add your vehicle Get an exact fit for your 2004 Chevrolet Silverado 1500 Year Make Model Astro 2WD Astro AWD Avalanche 1500 2WD Avalanche 1500 4WD Avalanche 2500 4WD Aveo Blazer 2WD Blazer 4WD C4500 Kodiak C4C042 C4500 Kodiak C4E042 C4500 Kodiak C4U042, Order Chevrolet Silverado 3500 Mass Air Flow Sensor online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store., 1. Improved Engine Performance: The Mass Air Flow (MAF) Sensor allows for a correct air/fuel ratio within the engine’s ignition chamber, resulting in improved engine performance. 2. Fuel Efficiency: The Mass Air Flow (MAF) Sensor monitors air levels and sends this data to your car’s electronic control unit., The mass air flow sensor, or MAF sensor, is an important part of the fuel injection system on your Chevy Silverado. The MAF sensor measures the airflow into the motor and sends this information to the engine computer. This sensor is subjected to soot and dirt and can become very dirty, causing it to send erratic or inaccurate information., May 4, 2019 · Buy it with. This item: New Mass Airflow Sensor for GM 2001-2007 6.6L Duramax LB7 LLY LBZ. $2277. +. GM Genuine Parts TP3018 Fuel Filter Kit. $4174. +. Allison 29539579 Screw-on Filter with Magnet Filter Kit replacing filter for Allison transmission per OEM Specs. $2499., 2004 Chevy Silverado Mass Air Flow Sensor Location. How does a mass airflow sensor fail? What are the MAF sensor problems in the 2004 Chevy Silverado? …, The mass air flow sensor, or MAF sensor, is an important part of the fuel injection system on your Chevy Silverado. The MAF sensor measures the airflow into the motor and sends this information to the engine computer. This sensor is subjected to soot and dirt and can become very dirty, causing it to send erratic or inaccurate information., Order Chevrolet Silverado 3500 Mass Air Flow Sensor online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store., Apr 20, 2018 · Mass airflow of other chevy vehicles. Press the red clip slightly to unlock it. Unplug the electrical connector from the mass airflow sensor. Remove the screws that hold the mass airflow sensor in place. Remove the sensor. Install the new MAF on your Chevrolet. Tighten the screws so that they are snug. , No matter the situation, Advance Auto Parts has the Mass Air Flow Sensor Connector product you desperately need. We currently carry 2 Mass Air Flow Sensor Connector products to choose from for your 2004 Chevrolet Silverado 1500, and our inventory prices range from as little as $23.29 up to $47.99. On top of low prices, Advance Auto Parts offers ..., The service engine soon light, commonly referred to as the check engine light, on a 2000 Chevy Silverado, or any vehicle, can have a number of meanings depending on the issue. If the light is steady, it typically indicates a minor problem, ..., The 2019 Chevy Silverado 1500 LTZ is the perfect truck for those who want to cruise in style. With its sleek design, powerful engine, and luxurious interior, this truck is sure to turn heads wherever you go. Here’s a closer look at what mak..., The mass air flow sensor is located right after a car’s air filter along the intake pipe before the engine. The sensor helps a car’s computer determine how much fuel and spark the engine should be outputting., The MAF sensor simply measures the mass (amount) of air coming into the engine so that the PCM can add the correct amount of fuel. A rule of thumb on a MAF's air flow rate at 500 rpm is 1 gram per second per liter of engine displacement., Jul 10, 2021 · The code P0101 means that the signal from the mass air flow sensor (MAF) is out of expected range. The MAF sensor is installed in the engine intake, right after the air filter. it measures the amount of air entering the engine through the throttle valve. The engine computer (PCM) uses the signal from the MAF sensor for operating the fuel ... , Jan 2, 2021 · 2. cfell · #11 · May 4, 2021. Per discussion I removed and cleaned TMAP sensor. It was totally fouled at first clean around 50k miles. Now at 52222 miles, fresh T6 15-40w, a little coating.. dry soot. Dark black. 90% was Highway speed (60-75 mostly) for several hours. , ACDelco Mass Air Flow Sensor 213-3460. Part # 213-3460. SKU # 475629. 2-Year Warranty. Check if this fits your 2004 Chevrolet Silverado 2500 HD. Notes: Mass Air Flow Sensor. ACDelco Professional. PRICE: 125.99. $12599. , Aug 31, 2018 · In this video I replace the mass airflow sensor in my 2003 Chevrolet Suburban with the OEM unit by Delphi and the 5.3l motor. I was getting the code P0101. T... , Order Chevrolet Silverado 2500 HD Mass Air Flow Sensor online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store., Nov 1, 2018 · P0101 code in the Chevy Silverado is crucial to maintaining your truck's performance and ensuring it runs efficiently. This code indicates that there is a problem with your truck's Mass Air Flow (MAF) sensor, specifically, a Range/Performance issue. The most common cause of P0101 is a bad MAF sensor. , The Mass Air Flow sensor is used to measure the amount of air entering the engine. This measurement is used by the engine computer or ECM to calculate proper amount of fuel injected into the cylinders in order to provide optimum combustion and low emissions. ... Gordon 2004 Chevrolet Silverado Extended Cab Z71 Semi-retired Master Mechanic., 2004 CHEVROLET SILVERADO; 250,000 MILES; Good morning guys. The truck listed above is a 4.8 extended cab 1500 plain model. This message may be long but please read all if you have time. Y'all helped months ago and still with many thanks. ... The Mass Air Flow (MAF) sensor is an air flow meter that measures the amount of air entering the …, ‎Air Flow Sensor : Manufacturer ‎ACDelco : Model ‎ACDelco - Mass Air Flow S (Slp) (213-1585) Item Weight ‎2.4 ounces : Product Dimensions ‎4.5 x 4 x 2.1 inches : Country of Origin ‎Japan : Item model number ‎213-1585 : Exterior ‎Painted : Manufacturer Part Number ‎213-1585 : OEM Part Number ‎12579352, 1999-2009 GM part # 19330121 - Mass Airflow Sensor with Intake Air Temperature Sensor. Due to the UAW/GM strike, there currently are supply chain interruptions. ... 2004 : Chevrolet : Silverado 1500: Base, Hybrid, LS, LT, SS, WT, Z71, Z71 Off-Road ... Flow Automotive Center GMPartsDirect.com., No matter the situation, Advance Auto Parts has the Mass Air Flow Sensor Connector product you desperately need. We currently carry 2 Mass Air Flow Sensor Connector …, Jun 26, 2015 · An ACDelco GM Original Equipment Mass Air Flow (MAF) Sensor is a key part of the engine management system, and is a GM-recommended replacement for your vehicle’s original component. ... 5.0 out of 5 stars 2012 Chevy Silverado 5.3L. Reviewed in the United States on July 22, 2023. Verified Purchase. Mass air flow sensor arrived next …, Jul 12, 2010 · Here are a couple of others: A MAF sensor diagnostic trouble code (DTC) stored in your vehicle computer's memory. P0100: Mass Air Flow (MAF) Sensor Circuit Malfunction. P0101: Mass Air Flow (MAF) Sensor Circuit Range/Performance Problem. P0102: Mass Air Flow (MAF) Sensor Circuit Low Input. P0103: Mass Air Flow (MAF) Sensor Circuit High Input. , Turn off the engine and let it cool down if you’ve been driving. Remove the connector with the harness of the sensor. Pull out the air flow sensor and clean it properly. If you need to replace it with a new one, install the new sensor instead of the old MAF sensor. Turn the engine on and leave it like that for 5-6 seconds., Jun 7, 2009 · Alright, enough of the b.s. and let's get started with the actual step by step cleaning of the GM mass air flow (MAF) sensor (Buick, Chevrolet, Oldsmobile, Pontiac, and GMC models). Step 1: Remove The MAF Sensor From Vehicle. Remove the mass air flow sensor from the car or truck. Once off, your MAF sensor should look like the one in the photo. , The Mass Air Flow sensor is used to measure the amount of air entering the engine. This measurement is used by the engine computer or ECM to calculate proper amount of fuel injected into the cylinders in order to provide optimum combustion and low emissions. ... Gordon 2004 Chevrolet Silverado Extended Cab Z71 Semi-retired Master Mechanic.