Quote:
Originally Posted by Hib Halverson
You likely don't need to fuss with taping a pressure gauge to the windshield?at least not yet.
If you tested fuel pressure per the service manual and saw 45-psi peak after key off then the pressure drops. Your pressure is low?should be 48-55 psi?and you have a leak somewhere.
A possible leak coupled with black sooty plugs tells me to investigate the possibility of a faulty FPR, faulty injectors, faulty ball check in the pump or anything else which can bleed off fuel pressure.
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Considering this is the same with the OEM and Jerry's FPR, I am guessing that probably is not the case, but still a possibility.