1998 Pontiac Sunfire problem

Tiny
PONTIACSUNFIREGT2.4L
  • MEMBER
  • 1998 PONTIAC SUNFIRE
  • 4 CYL
  • FWD
  • MANUAL
  • 222,000 MILES
My 1998 Pontiac Sunfire GT 2.4L has a miss/bog in it from 1000rpm up to 3000rpm and only if it is given lots of throttle, if it is gradually given throttle it doesnt do it. I changed
Tuesday, December 2nd, 2008 AT 2:27 PM

1 Reply

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
Whens the last time you had a tune-up? A common problem with these cars is the holder that contains the coil/wires. It's the piece you have to remove to access the spark plugs. Usually the spark will short to ground through a faulty component in that unit. Remove it and look for burn marks or white marks that would indicate a a short to ground.

Your problem sounds like a mis-fire and that's where I'd start with your vehicle.
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Tuesday, December 2nd, 2008 AT 6:06 PM

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