The list of problems on this 850 is getting shorter. Knock sensors have been sorted, PCV system renewed, all vacuum hoses have been re-attahced, the horn is functional, engine is 600% cleaner. Once I replace my tie rod ends and get the engine running smoother and I should be ready to roll.
I cleared codes today - managing to silence the CEL and Service lights.
Unfortunately the car is still running a bit rough, and after letting the engine warm up for a while, I found my CEL had returned.
This time A6 gave me 1-1-1 (knock sensor code 1-4-3 did not come back), but A2 now returns a 1-1-3. This is new, so it must be something I did when I have the manifold off.
It seems that 1-1-3 is a lean mixture error, which screams vacuum leak. I've checked vacuum hoses but I don't see or feel anything wrong.
Any thoughts on the most likely source of this problem?
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