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  1. negative fuel trims, not hitting full boost.

    So I may be missing something. I read through the entire host multiple times and it's still saying to use the *53 which is currently in there. What am I missing? Should I just try to track down a used OEM sensor?

  2. negative fuel trims, not hitting full boost.

    I see, okay, I'll verify that's the one and just order a new OEM one then

  3. negative fuel trims, not hitting full boost.

    -Prv was ordered through edge auto - fuel rail pressure sensor was replaced with h a Bosch 0261545038 -wpuld it be easier to completely replace the hpfp entirely?

  4. negative fuel trims, not hitting full boost.

    the rebuild was done with CS HPFP internals and O-rings, I rebuilt it after problems developed. the engine bay does not smell like fuel and aside from the high pitched noise on cold starts coming from the HPFP area it sounds like it always had for the 5 years I've had the car. at this point I...

  5. negative fuel trims, not hitting full boost.

    i have been dealing with the headache of a problem and so this is my first time posting here. a few months ago the 6 really started acting up. fuel trims started hanging out around -15 on both LTFT and STFT. boost would only get to 12psi WOT (tuned for 22). High pitched squeal coming from hpfp...
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