ECT Problem very perplexing

Tiny
TPLIBBY
  • MEMBER
  • 1998 CHEVROLET CAVALIER
The engine light is on the temp guage is zero. When you hook up a computer it clears the error and says its the ECT sensor. When you start the car the temps guage works for about 2 seconds then zeros out again and the engine light comes on. Replaced the ECT and problem is the same. Any suggestions would be great.
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Monday, January 2nd, 2006 AT 4:03 PM

2 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Might be an ECM problem
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Wednesday, January 11th, 2006 AT 5:54 PM
Tiny
LGTU2
  • MEMBER
  • 5 POSTS
Hi, My cavalier's temp gauge didn't work either and the check engine light wouldn't go out and it said it was the coolant sensor which we fixed and it still kept doing it, turns out the wiring to it was bad, and their was a bad ground, had to take the car to someone good with tracing wiring problems. Only cost me $88 which was pretty good considering the car runs great now, it ran rough, the transmission shifted rough and the gas mileage wasn't as good. I went from getting 18 mph to 25. Hope this helps. Linda :-)
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Wednesday, February 1st, 2006 AT 7:17 AM

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