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92 Buick Century runs rough

Tiny
STEELERGUY74
  • MEMBER
  • 1992 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 89,000 MILES
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
Wednesday, August 10th, 2011 AT 12:18 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Go to this link for more information https://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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Wednesday, August 10th, 2011 AT 12:25 AM

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