2002 Pontiac Sunfire

2002 PONTIAC SUNFIRE
75,000 MILES • 4 CYL • 2WD • AUTOMATIC
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DEEMIO
  • MEMBER
  • 1 POST
my rpms rise up and down while driving, is it my tranmission, or do i just need fluid?
Apr 14, 2009 at 9:16 AM
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DBLBASSIST13
  • MEMBER
  • 2 POSTS
There is a good chance it could be your TPS "throttle position system" My 02 sunfire was doing the same thing mostly at highway speeds, I replaced the TPS and it took care of the issue. the part itself shouldnt cost more than 50 bucks and its an easy repair you can do yourself.
Jun 28, 2009 at 4:36 AM