1998 PONTIAC SUNFIRE
226,321 MILES
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TERRIWILLIAMS
  • MEMBER
  • 5 POSTS
Temp gauge started going up and down so replaced the temp sensor worked fine for a couple of days now my engine light comes on & gauge is below cold mark? had diagnostic done it says its my temp sensor they cleared it & ran fine for a little while now engine light is back on & gauge not working again
Feb 14, 2013 at 9:54 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
clearing codes does nothing. the issue is always there.

thermostat may be a good start. low coolant level could be the issue.

the last is a blown head gasket from overheating

Roy
Feb 15, 2013 at 12:36 AM
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TERRIWILLIAMS
  • MEMBER
  • 5 POSTS
replaced thermostat , no white smoke coming from exhaust, or leaking in plugs , now when i started it today it didn't want to start & engine light still on could it be a bad thermostat? please help!!
Feb 16, 2013 at 2:10 PM