rpm surging and temperature gauge that is dropping?

1997 SATURN SC1
165,000 MILES
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CARRISLU
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  • 1 POST
what could it be if a 1997 saturn sc1 has running temperature to cold and back up again?
Mar 16, 2012 at 12:02 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
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Go here for the surging

Refer to this link:https://www.2carpros.com/articles/engine-surges
Mar 16, 2012 at 12:07 AM
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SATURNTECH9
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Just to add to this one you need a new coolant temp sensor also inspect the inside of the coolant temp sensor connector if the terminals are green or blue instead of silver you will have to replace the connector as well.I have replaced a ton of those sensors for that issue and a lot of other issues.Its a really common issue on those cars.
Mar 16, 2012 at 3:50 AM
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