Question about 1999 Audi A4
Posted by Anonymous on
All 4 wire O2 sensors are compatible in function. The only difference is the plug for the wiring loom.
A B5 A4 and a C4 A6 should have the same plug...
I wouldn't use a second hand O2 sensor though.., always buy new.
Posted on Feb 09, 2015
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Posted on Jan 02, 2017
SOURCE: AUDI A6 WINDOW PROBLEMS
This is a common problem with the C5 A6 models. Before you replace the fuse for the windows (I think it's number 14, but i don't have a manual in front of me - Anyway, it's the 10A fuse that's blown!) Look under the back of both front seats and you'll see a light that illuminates the floor for the back seats. Rem ove the light from each seat by prying it out with a flat screwdriver and disconnect both leads. Replace the fuse, and your windows (moon roof and interior lights as well) should now work. The lumbar support causes something to short out the lights. I've tried insulating the lights on mine, but the problem always comes back so I just disconnected them altogether.
Posted on Jun 15, 2009
For Diesel and also for Otto engines on 2004 Audi A4, this rpm sensor (impulse sender - crankshaft) is placed on the bottom left back side of the cylinder block. Please Rate my Response! Thanks!
Posted on Jun 18, 2009
SOURCE: A4 airbag sensor
A4s are known for airbag lights due to the bag in the side of the driver's seat. The yellow connector under the seat gets stretched and opens up partially if you move the seat too far. It's just a quick opening but it's enough to trip the light. In mine, I ziptied the connector tightly together, then turned off the light (you need the VagCom diagnostic software for this).
Posted on Aug 12, 2009
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