1994 Pontiac Sunfire ENGINES IDLES ROUGH

1994 PONTIAC SUNFIRE
79,000 MILES • 4 CYL • 2WD • AUTOMATIC
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AMART
  • MEMBER
  • 1 POST
CAR RUNS FINE IN PARK. WHILE IN DRIVE AT A STAND STILL THE CAR RUNS REALLY ROUGH. START DRIVING AND THE CAR IS FINE. CHANGED PLUGS, WIRES, FUEL FILTER,AIR FILTER, ENTIRE EXHAUST SYSTEM,CHECKED FOR VACUUM LEAKS AND ADDED FUEL INJECTION TO GAS TANK. STILL GET ROUGH IDLE.
Mar 9, 2008 at 9:04 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic
Check PCV, clean throttle out, check idle air control, and egr for sticking open a bit...
Mar 9, 2008 at 9:11 AM
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