Thread: Ask a tuner...
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Old 04-01-2010, 07:57 PM   #52
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2014 P3 Import Auto
AWD Dyno, Mods, etc


Originally Posted by TruStinger View Post
lets say I have a car that operates at 58psi. I add 2 walbros to it that run all the time and keep the psi regulated at 58psi. Should I have to retune my ECM? And if not could my DOFC get messed up causing backfires?
Hmm way more information needed.

What was the original fuel pressure?

Please tell me what DOFC stands for?

Backfires can be caused by all sorts of fun stuff. What kind of EFI are we dealing with? Does it have a MAF or MAP or both?
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