Questions & Answers for: Audi A4 air relay

...relay switch would be harder to replace. Relays rarely fail on Audis. Are you positive the vehicle has fuel? I have seen many fault dash gauge readings, indicating full constantly. Also the sender ...

...air con working as if you're familiar at all with the weather here in Thailand, the summers in Louisiana are no match for the heat and humidity here....can't drive 5 minutes without being covered in ...

...has constant power and ground. which one should be constant? Is it direct sensor controlled or relay controlled? where is either located? What does the air pump do? its probally for your cruise ...

...Relay controlled or sensor controlled? Where would either be located? What does the air pump do? The air pump is not in the trunk, and it is not for the air ride. It is used to reduce tailpipe ...

...VALVE SOLENOID COMBINATION AIR SHUT OFF CHECK VALVE AND TUBING IS INJECTING FRESH AIR TO EXHAUST MANIFOLD.CHECK IT FUSE AND RELAY.GLOW PLUG LIGHT.COULD MEAN A FAULTY GLOW PLUG FUSE OR RELAY

air comes out BAD FAN MOTOR.......OR FAN SWITCH Check the fan relay or replace it. When it makes a click noise but does'nt work, the contacts inside are burned and not making good contact to power the

where is the secondary air injection pump relay in a 2004 Audi A4 2004 Audi A4 The secondary air injection pump relay is no.# 2 relay = R2, placed inside the engine compartment relay box.

...relay how do I get to them, I see them behind the fuse box. ok, First , By pulling back on the dimmer switch thats the high beams working, have you checked the head light bulbs? before tracking down ...

...relay circuit faulty, p1586: power supply to rail sensor, air mass meter, EGR valve: voltage too low.Billy :These problems are the ones causing the no start issue...........Billy :I will first list ...

...relay for the air con on my 2003 AUDI A4 130 sport 1.9tdi I have just changed the high pressure switch beside the passenger side headlight and had the system recharged but still no cold air, there ...