Air mass flow sensor fault audi a4 1998

The Benefits of Cleaning Your Mass Air Flow SensorThe more oil and dirt that accumulates on your MAF, the worse it serves its purpose. The dirtier it gets, the less accurate the reading it sends to your ECU (computer). MAF (Mass Air Flow) Sensor on an AUDI or VW L DOHC Engine.It is common for the mass airflow sensor to get dirty (if the air filter is dirty) and lose the ability to read the amount of air coming in the engine. If the vacuum hoses are leaking, it will give the same error code as mass airflow sensor failure.

The most common way to test the wire VW Mass Air Flow (MAF) Sensor is just to unplug it with the engine running. If the MAF is BAD (either because it's not producing a Signal or producing an erratic one), the car's idle will return to normal and the car will seem to run fine.

Mass Airflow Sensor Replacement Service Cost - YourMechanic

All modern VW, Audi, and TDI use a MAF to help measure air flow. A MAF sensor is one way of directly measuring how much air is passing the MAF sensor and into the engine. Followup from the Pelican Staff: Could be an issue with the fuel pump. I would perform a fuel delivery system test.

I have a 20Audi AQuattro . I have a Vagcom USB cable and I am trying to diagnose the MAF sensor. ACARDONE Remanufactured Mass Air Flow Sensors (MAFS) precisely track O.E.M. output curves and maintain specification tolerances to ensure accurate scan tool readings for proper operation.