mass air flow sensor testing gm
Driving your Sierra 1500 with a bad MAF sensor can damage the engine so you must act urgently to avoid more expensive repairs. A bad mass airflow sensor can leave your GMC Acadias engine running rough or even inoperable.
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Here are some of the most common bad mass air flow symptoms that you will typically come across.
. Check Engine Light appearing on the dashboard. To avoid this cancel and sign in to YouTube on your computer. Making Sure The MAF Sensor Is Getting 12 Volts.
Plug in the MAF sensors electrical connector. Set the multimeter to 20 volts. Find out how to test a MAF sensor and how to replace a defective one with these tips from our mechanics.
This is one of the easiest mass air flow sensors to Test. How to test a GM MAF Sensor Part 1 If playback doesnt begin shortly try restarting your device. GMC Sierra 1500 bad mass air flow sensor MAF symptoms and causes.
Making Sure The MAF Sensor Is Getting Ground. Make sure the meters leads are away from moving engine components. This is one of the easiest mass air flow sensors to test.
First open the hood of your vehicle and locate the MAF sensor on the air cleaner assembly. The mass airflow sensor measures the amount of air entering the combustion chamber. How to test a GM MAF Sensor Part 1 If playback doesnt begin shortly try restarting your device.
GM Genuine Parts are designed engineered and tested to rigorous standards and are backed by General Motors. A MAF sensor measures the density of the air entering the intake manifold. Turn the ignition switch to the Off position.
The mass airflow sensor commonly abbreviated to MAF is one of the most important engine management sensors. Connect the black lead of the multimeter to the ground terminal of the MAF sensor and connect the red lead to the battery positive source or the positive wire inside the MAF sensor connector. A defective MAF sensor can cause engine stalling a rough running engine and a check engine light for trouble codes like code P0171.
Acdelco 23366103 Mass Air Flow Sensor Ac Delco Gm Original Equipment 23366103. Usually youll find it between the air filter housing and throttle body. The following Test is an On Car Test that checks the performance of the MAF sensor with the engine running.
The mass air flow MAF sensor part of your vehicles electronic fuel injection system is responsible for calculating the total amount of air entering the engine. Testing a MAF sensors voltage signal. Troubleshooting a Mass Airflow Sensor.
An error occurred while retrieving sharing information. More 34L V6 Buick Oldsmobile Tutorials. How Does The MAF Sensor Work.
It passes this information onto your Acadias ECU. Videos you watch may be added to the TVs watch history and influence TV recommendations. The most common signs of bad mass air flow sensor MAF in GMC Terrain are loss of power or slow acceleration engine hesitation or jerking during acceleration erratic idling misfires poor exhaust emission values and sometimes black smoke comes out of the tailpipe.
Youll notice if the tailpipes eject black smoke or when the engine runs rough or backfires. GM Genuine Parts Mass Air Flow MAF Sensors are designed engineered and tested to rigorous standards and are backed by General Motors. The Mass Air Flow Sensors Ground Wire Test.
Therefore the most common signs of a bad mass air flow sensor usually appear in the form of an engine that is performing badly. Now that you have a broad knowledge of how an airflow meter works you are ready to test the MAF sensor. Testing The MAF Signal With A Multimeter.
A faulty MAF sensor can cause your vehicle to run too rich or run too lean. The mass air flow MAF sensor reads the air flow entering the engine. The mass air flow sensor is part of the engines intake system and is located between the air filter and the.
A bad mass air flow sensor will usually trigger a check engine light. Ad What Are You Working on Today. This type of GM mass air flow MAF sensor is used.
The mass air flow sensor or MAF sensor is part of the intake system in GMC Sierra 1500 responsible for measuring the amount of air entering the engine. Disconnect the connector of the MAF sensor. Shop safely with us online or call 888-844-3393 and buy the quality part your car or truck.
Backprobe the sensors signal wire with your meters red lead and the ground - wire with your meters black lead.
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