how to test mass air flow sensor mercedes

It measures the intake flow rate by measuring a part of the entire intake flow. All of the parts have 12 months warrantyPlease contact with our customer service crew if you encounter any questions or concerns we stand behind every part in our store.

Mercedes Mass Air Flow Sensor Testing Youtube

Immediately abs light came on again with original.

. It consists of a hot film that is supplied with electric current from the Engine Control Module. Welcome to our store on eBay. If a scan tool is not available then test the signal coming from the MAF sensor with a digital volt ohm meter.

We will need to test the Mass Airflow Sensor or MAF sensor as it is a major airflow input to the PCM. The MAF sensor itself only measures a portion of the air entering and that value is used to calculate the total volume and density of air. The Mass Air Flow sensor is placed in the stream of intake air.

The easiest way of testing the MAF sensor is by monitoring the voltage signal from the sensor to the PCM on a scan tool. Went to BMW and bought a genuine sensor and replaced the right sensor reset fault codes and set off again. SCITOO is our brand our stores name is cn-batteries SCITOO including majority of the best seller autoparts which are fully compatible with the vehicles.

To test to see if it was the sensor I swapped left with right sensors cleared codes I set off driving. The MAF mass air flow sensor is a sensor mounted in a vehicles engine air intake tract downstream from the air filter and is used to measure the volume and density of air being drawn into the engine. For this test you will need a fuel pressure gauge.

Immediately the dash lit up like a Christmas tree. The temperature of the hot film is controlled by the ECM a certain amount. The Actron CP7818 fuel tester works on most Mercedes-Benz and has the required Schrader valve required for MB cars.

This test applies to Mercedes-Benz vehicles equipped with 4-cylinder V6 V8 and V12 gasoline engines such as M112 M113 M119 M104 M272 and M273. Fault was right sensor faulty no fault on the diagnostic tool for the left. The heat generated by the hot.

How To Deal With A Mass Airflow Sensor Malfunction In Your Mercedes Autobahn Automotive Autobahn Automotive