I know I have a genuine 1.8t one in a box that I bought for mine.. however in my experience they rarely fail.. have you cleared.the fault to ensure its not a ghost code??
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Anyone tried a different n75 valve on there cars
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I don't think you'll find this valve in the other cars you mention. It's a wgfv so you certainly won't find it on an ADR engine which is not a turbo engine. It can be tested using Vag Com / VCDS in the output tests. I've seen a broken wiring loom causing this fault - it sits behind the right side headlamp so easy to check.Mike
http://www.s2-audi.co.uk
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Yes, cleared the codes and this one came back. I've got a 1.8T (AEB) n75 in front of me purchased it by mistake as the numbers between the two engines are the same it's jus the AEB version also has a letter on the end. The problem with the AEB valve is it has a newer 2 pin plug on it, and don't want to start cutting into the car harness for something that may not work. At least I know the ADR version uses the same plug.
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Quick test for the valve, engine at idle reach down behind headlight and place fingers on valve, quickly give throttle a big blip, you should feel the valve clicking.
When I got my first coupe back in ‘02? the valve was partly unplugged, was a nice surprise when properly plugged in.Last edited by newsh; 13 October 2021, 23:23.
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N75 is 034906283 I think
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Originally posted by Mikes2 View PostI don't think you'll find this valve in the other cars you mention. It's a wgfv so you certainly won't find it on an ADR engine which is not a turbo engine. It can be tested using Vag Com / VCDS in the output tests. I've seen a broken wiring loom causing this fault - it sits behind the right side headlamp so easy to check.
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So I've not tested the N75 yet but not sure there is much point. As shown in the picture below there is a crack in the housing, and it's not holding air or vacuum, so I guess it replacement time.
Also connecting the plug to the N75 valve clears the fault code, so I know it's not a wiring fault, there must be vacuum leaks in the system or it's just at the point below.
n75 leak.jpgLast edited by B5NUT; 14 October 2021, 12:50.
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Originally posted by Mikes2 View PostIf the car has ever been to superchips, it was common to see this disconnected
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