87 fiero won't idle

Asked by justin123j Jan 29, 2020 at 02:03 PM about the 1987 Pontiac Fiero SE

Question type: Maintenance & Repair

87 2.8 liter I have replaced the
fuel pump and fuel filter the
distributor cap rotor wires map
sensor O2 sensor pressure
regulator and it still won't idle
when you start it up it runs like 2
seconds sounds great then dies if
I hit the throttle it dies quicker

2 Answers
27,570

oilyspill answered 4 years ago

Any applicable trouble codes? I'd want to check if system is running rich or lean? Right now, I think the system is running lean, I could be wrong? The basics for a rough idle, check for a leak of some kind, fuel egr vacuum.

Mark helpful

justin123j answered 4 years ago

No vacuum leaks whatsoever the new EGR gasket tubes cleaned the only thing that is is not hooked up is the cruise controlstarts up books about 1,500 comes right back down ties soon as I have to start over completely dies immediately

Mark helpful

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