The most common signs of a failing mass air flow sensor are poor engine performance such as hesitation or stalling. A faulty maf sensor can cause your vehicle to run too rich or run too lean.
Make sure that it is the correct device for the make model and trim of your vehicle.
Mass air flow sensor replacement. Some of the most common symptoms of a bad mass air flow sensor in mercedes benz cars are. The code has a pinpoint test to follow that will test the sensor and sensor wiring and the engine computer circuit. This does not mean replace the sensor.
Reply 15 on. If you get any of these codes p0100 p0101 p0102 p0103 and p0104 you most likely need your maf replaced. Brand new parts will sell for about 100 to 400.
March 05 2016 01 36 56 pm fwiw i think the car s computer has a long term memory of past faults to help with troubleshooting. The mass airflow sensor is a key sensor in your car. It takes account of the air flow and converts it to an electrical signal sent to the ecu.
A maf sensor is usually placed in line immediately after the air filter and takes a reading of how much air is entering the engine. Free shipping on eligible orders see details. Engine dies stalls soon after you start it.
That brings up the question of can your car run without the mass air flow sensor. Replacing a mass air flow sensor is fairly straight forward so most of the cost comes from the cost of the part and not the labor. Your car has a lot of sensors and this is just one that helps your car run properly.
A replacement mass air flow sensor can cost anywhere from 20 to 600. 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. The mass air flow sensor can also get dirty if the engine air filter is not changed on time which results in the same symptoms as a failed sensor.
The ecu sees this reading and adjusts the fuel volume that passes through the injectors. Mass air flow sensor replacement requires that you have a new sensor already at hand. You ll notice if the tailpipes eject black smoke or when the engine runs rough or backfires.
If you re on a budget you can look for a reconditioned maf sensor for about 50 to 80. The code you are getting is for a problem with the mass air flow sensor circuit. This guide will show you how to replace the mass air flow maf sensor on mercedes benz.
Mass air flow sensor replaced check engine light still on. If you are going to replace the maf yourself then i d always recommend buying an oem mass air flow sensor. In this article we will look at what happens when you disconnect the mass airflow sensor.
Mass air flow sensor compatible with chevy cadillac gmc other gm vehicles silverado suburban tahoe yukon xl sierra escalade esv 5 3l 6 0l 4 8 replaces 25168491 af10043 25318411. Once the test is done then it may call for replacing the mass air sensor which a technician from yourmechanic.