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Note: Since the N71 and N80 are in the same area, it is possible for the colour blind to hook the N71 harness connector into the N80 and the N80 harness connector into the N71. The N75 is on the other side of the engine, near the front.
Link to explain the 4 two-pin connectors on an AAN (similar for a 3B/ABY/ADU)
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RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
Note: Since the N71 and N80 are in the same area, it is possible for the colour blind to hook the N71 harness connector into the N80 and the N80 harness connector into the N71. The N75 is on the other side of the engine, near the front.
Link to explain the 4 two-pin connectors on an AAN (similar for a 3B/ABY/ADU)
The Audi Enthusiast website. Forums for all Audis including A4, S4, A5, S5, A6, S6, allroad, A8, S8, TT, R8, Q5, Q7, 4000, 100, 200, v6, v8, vintage, local forums
Cheers Dave
Already bought a new ISV valve couple of months ago and it's on the car don't know why it's throwing up a fault code unless it's faulty.
Bilko what are thr codes and the explanation? Its possible they are ghost codes, eg codes that have been created accidentally by unplugging stuff with ignition on.
Bilko what are thr codes and the explanation? Its possible they are ghost codes, eg codes that have been created accidentally by unplugging stuff with ignition on.
So he should pull the ECU fuse, S27, for a few minutes to clear the codes and then start the engine and run it for 5 minutes and then test again for the codes.
Constant power (memory power) goes into the ECU at Pin T55/18:
RS2'd 93 UrS4 5 spd sedan
94 UrS4 V8 6 spd manual avant
Just pulled the fuse left it out for 5 mins fuse ok,by the way did another vcds check same codes being thrown up car is running lumpy and I have no boost at all and when I lift of the gas there is a bang it's sounds if it's coming from the rear like slack in the diff or prop but not when I just ease of the gas slowly. I have ordered a new n75 should be here by Wednesday will do another test when fitted also ordered an n80 valve another question does the carbon canister need to be changed or can it be cleaned. Also when I did a vcds check 6 months ago the code that came up was boost exceeded its limit which ties in with a faulty n75 as they normally come up together according to Ross tech.
Does it give the explanation under the code. You really need to save them to a screen shot.
I suspect they will be saying short to ground. If so check the fuse then id suspect wiring damage as all 3 on same fuse.
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