Fuel

Asked by Jun 08, 2019 at 07:02 PM about the 1998 GMC Sierra 1500 C1500 SLT Extended Cab SB

Question type: Maintenance & Repair

Would my fuel
regulator being
stuck open cause it
to backfire all the
time and not start

2 Answers

15,935

it would make higher fuel pressure and maybe run rich , exhaust would be blackish and you would smell fuel , you can hold the pedal to the floor if it floods out

253,915

Back firing is probably an ignition timing problem.

Your Answer:

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