1995 Saturn SC2 AC Won't Come On

SATURN
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LUCKYBLUE04
  • MEMBER
  • 11 POSTS
I have a 95 Saturn SC2, 177,000 miles...If my coolant temp sensor is not working wold this make my AC not come on when I turn the switch on? How do I know if my coolant temp senor is not working?
May 19, 2006 at 8:33 AM
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PEPPERMRJ
  • ✓Experienced Mechanic
  • 1,158 POSTS
It would not cause your AC problems. A nonfunctional ECTS would affect the engine idle, starting, fuel economy, specifically a sometime wildly fluctuating idle.

Best to keep your questions to 1 post. It is easier to follow with all the info.

Good luck.
May 19, 2006 at 12:52 PM
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Suggested Repair

A nonworking coolant temperature sensor would not keep the A/C from coming on, so look elsewhere for the A/C problem. A failed sensor can affect idle, starting, and fuel economy, including a sometimes wildly fluctuating idle.

Conversation Summary

The owner of a 1995 Saturn SC2 with 177,000 miles asked whether a failed coolant temperature sensor would prevent the A/C from coming on and how to tell if the sensor is bad. The expert said it would not cause the A/C problem, but a nonfunctional sensor can affect idle, starting, and fuel economy, including a sometimes wildly fluctuating idle.

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