Farthest point right before the catalytic converter.
its incorporated into the maf sensor.
Where is the crank shaft sensor located in a Audi a6
Fuel pump relay Audi a4? what is the question? does it have one? answer:yes, where is it located: under steering wheel to right. need to remove panel. its the relay on the right.
Where is the answer
at the compresser
Disconnect the wires, and unscrew the O2 sensor. You might want some wd-40 to soak up the sensor's threads before you try to remove it.
Inside the airbox.
An Audi A4 1999 hasn't a relay switch. There are control modules located at each door instead. If windows or doors need repair examine fuses first.Ê
What year? Try above the fuse box.
Probably the speed sensor has crapped out. Or the module has.
Under the steering wheel.