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Temperture gauge

Tiny
SONNYBOY
  • MEMBER
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I have a 1999 Chevy Lumina 3.8 V6 engine with 145000 miles. When I start the engine and the car warms up the coolant temperature gauge reading hardly changes. What could be the cause?
Wednesday, January 10th, 2007 AT 9:06 AM

3 Replies

Tiny
SERVICE WRITER
  • MECHANIC
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How is your heat?

Are you sure about a 3.8?
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Wednesday, January 10th, 2007 AT 4:39 PM
Tiny
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You said:
You asked if the heater was putting out any hot air. Well it take awhile for it to get hot. The other day I started the car and it ran for about 5 or 10 minute before I drove off. I drove about 5 miles before the heat coming out was hot but the temp gauge was still on 100 or a little over. I stopped in a parking lot and let it idle for a couple of minutes and the needle went to the normal temp but, it doesn't stay up there. The out side temperature was 45 or 50 degrees
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Saturday, January 13th, 2007 AT 6:21 PM
Tiny
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Try a theromstat, sounds like it's stuck open.
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Saturday, January 13th, 2007 AT 6:23 PM

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