2001 trans am engine misfire

Asked by ndn Apr 02, 2010 at 02:00 PM

Question type: Maintenance & Repair

random misfire popping thru exhaust 1and 3 plug fould like a vacuum leak  but the misfire is all over the board  it has new plugs and wires and 3 new coils before it was brought to me

2 Answers
21,215

Michael answered 13 years ago

Well.. If you haven't figured it out by now, I would say go with your hunch.. GM uses vacuum controlled fuel pressure regulators. With the misfires and fouled plugs, I would look for a vacuum leak.

Mark helpful

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