new rs4 with problems , help please

[white.akita]

Anyone now know what to do with this information now it's plugged into VCDS ?

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[rs user]

the readiness/incpomplete is probably because you have just re-set fault codes etc

[white.akita]

It is showing incomplete because it would not complete the test.
When the failed components were being tested they were constantly flicking between the on and off position regardless of how long I left it for.

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[white.akita]

This voltage supply relay test is failing too constantly flicking on and off and the test will not complete.
Does this mean the relay is broken ? Where is the relay ?

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[white.akita]

Intake manifold flap tests for both show it constantly flicking from 0% to 96.6%, test shows as failed.

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[white.akita]

Evan constantly flicking on and off, test failed

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[white.akita]

Same with secondary air pump, test failed

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[white.akita]

Failed

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[white.akita]

Circuit for brake vacuum pump PASSED

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[white.akita]

Anyone have any clues at to what the fault may be?

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[rs user]

voltage supply relays are under the scuttle in a box beside engine ecu
there are 2x 70a relays and a little 393 labelled one
the first big relay[furthest away from the 393 ] gives engine comms faults etc if faulty
there are also several fuses under there
my first relay gave issues -a non start though[turned over but no start] and flagged up multiple engine comms faults

but-some vag cars show the cat signals incomplete after codes being cleared untill after a lot of driving
with cats removes or messed with you may have spacers or had the signal mapped out/ignored

[white.akita]

thanks very much arthur, i think i will test the relays tomorrow and replace if any are faulty. im hoping there is a faulty relay.
it would make some sense to me if it was a relay at fault because of how many tests failed, basically everything that has got to do with the vacuum system has failed.

[marc1]

That's true I bought a rs4 with problems and would like to fix them myself like I have done with over a hundred other cars with help from forums.
I don't need anyone to tell me that it's best to take it to a garage and let them fix it.
I have tried to get codes with VCDS life but it won't connect to the engine controller.
I have a aquantence coming tomorrow to give it a full VCDS scan.
I will post the results and hopefully then someone can offer some help.


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Over 100 other cars? Are you buying them knackered, fixing them and selling them then?

[white.akita]

when the relay is being tested i can hear it constantly flicking between on and off every second, is it supposed to do this ?

[white.akita]

here is a video of the test, any help with this will be great
https://www.youtube.com/watch?v=XoJgc1KlAGM