Quote:
Originally Posted by Peterfrans
make sure to check all vacuum hoses for leaks. on my wife's car (a 2009 cayenne 3.6) this led to the varioram not working and fuel pressure error messages.
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Thanks, I just ran out and got a cigar to perform a smoke test (I have a high volume hand pump already) and pumped a full cigars worth into the intake and couldn't find even a hint of a leak. I'm still not 100% convinced there isn't one but this narrows the likelihood.