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What to do next?

Tiny
CHRIS ROBIN
  • MEMBER
  • 1999 PONTIAC SUNFIRE
  • 10,000 MILES
My son drove home and car ran fine as usual. Later start car to leave and car is idleing fine and will accellerate fine untill 3,500 rpm then drops to little less than 3,000 then surges back to 3,500 and then drops again. Thinking maybe clogged fuel filter so replaced it and problem is still there.
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Sunday, March 18th, 2012 AT 1:09 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the fuel pressure if its within specs, test the throttle and manifold absolute pressure sensors
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Sunday, March 18th, 2012 AT 1:19 AM
Tiny
CHRIS ROBIN
  • MEMBER
  • 2 POSTS
Thank you i'll get a gauge and ck it
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Sunday, March 18th, 2012 AT 1:29 AM

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