92 RUNS ROUGH

1992 Buick Century

Tiny

steelerguy74

August, 10, 2011 AT 12:18 AM

92 Buick Century runs rough with loss of power. Changed coil packs, fuel filter, oil filter, plugs, wires. Fuel pressure is 40psi. What could be the problem? There are no engine codes

FOUND 4236 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

1 Answer

Tiny

rasmataz

August, 10, 2011 AT 12:25 AM

Go to this link for more information http://www.2carpros.com/articles/engine-misfires-or-runs-rough

Clean the idle air control, look for vacuum leak and also clean out the EGR and PCV valves

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