The problem is the Mass Air Flow sensor that usually gets covered in all kinds of dirt and stuff and malfunctions. Now, the S85 engine has 2 two of them, one for each bank so replacing them might ...

When the air mass sensor on my car is plugged in, it drives terribly, goes into limp mode before 3000rpm. When the sensor is unplugged it drives okay. What can I do? Why will my Citroen Xsara not rev ...

If the mass airflow sensor does not glow red within a couple of minutes of the engine being shut off check to see if the relays are applying voltage to the mass air flow sensor.

GM has issued a recall for certain units of the Chevy Low Cab Forward 3500 and 4500 models due to an issue with the mass air flow (MAF) sensor.