Hello, I'm Jason. I will do my best to answer your question quickly and accurately using the information you have provided.
the the check engine light code is P0341 or similar?
Not to impune your knowledge or mechanical ability, but the physical crank---->cam timing is off a tooth or more
I think I've had to replace a total of one cam sensor, out of the 100+ times I've seen that code on customer cars
The error code that comes up on the actron CP9580 has been:
Hit enter by mistake-Error code constant P0340 other codes for miss fire are random & a new one P0411 one time. As for impugning my knowledge, I design tools & fixtures for helicopters & have been doing that & working on cars since 1974.I can replace parts like a mad man but some times I could not diagnose my way out of a paper bag.
When it comes to this Audi most of my knowledge is pulled from the inter-net sometimes kicking & screaming all the way.
Go ahead, Impugn away.
As far as the timing being off, the car was running fine, then the error code.
I did the timing belt because I was working thru the possible corrections on the net and
after the “Cam Position Sensor” this was next.
The mileage was up there & the water pump had a slight leak so this was not a waste of time.
Both marks lined up correctly every thing else went back together fine.
The car starts hard & has a slightly rough idle but once you are moving all is well except for the check engine light.
Pushing it up the highway there are no knocks pings or hesitation. But I don’t think the turbo is kicking in.
hmmmm, ok reading...
hopefully you might make it back online since I did the live chat open
and glad to hear you weren't offended by my suggestion that things weren't perfectly in time...
I'll work through some other possible scenarios
Ill be back on line tomorrow and see if there is anything new.
Curious if you ever had the cams out for any reason, such as replacing the chain tensioner gasket. Also, I'm changing this to another format, since for some reason, I don't get alerted to chat responses, so never know when to open it back up
you'll be prompted to accept, but please do not do so, since I haven't given any sort of an answer yet
I have not removed either of the cams nor have I removed the valve cover.
I have listened to the top of the valve cover near the rear for any noise that the chain might be loose
& have not heard anything that would make me think that. (Used automotive stethoscope)
Using an analog meter-
With car running:
Pin 1-just over a volt
Pin 2-just under 2 volts
Borrowed back my digital meter and got the following readings:
4.95 volts pin 1 cam position sensor
4.95 volts pin Numbered 4 but is actually the third wire on the boost
pressure sensor that is on the passengers side over the turbo.
There are 5 pin locations but only 4 are used.
If you can give me the pin assignments I will take it from there and consider your end fulfilled as I will have some were to go from here, an actual schematic would be nice but I will be satisfied with what ever you can send .