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1998 Chevy Cavalier Temp too hot

Tiny
MCOOKE
  • MEMBER
  • 1998 CHEVROLET CAVALIER
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 174,000 MILES
When you are stopped in traffic for maybe 5 minutes or a little longer. The temp gage starts rising to hot. Once you start moving along at good speed temp comes down to mid way. I have replaced, radiator, water pump, thermostat, temp sending unit, sensor on fan fan is working. Flushed system several times. At a loss can't figure it out. Please Help
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Thursday, July 15th, 2010 AT 1:06 PM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
It may be the gauge, considering you have replaced the cooling system and the fan is working.

There are generally two coolant senders, one for PCM and one for gauge.
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Friday, July 16th, 2010 AT 7:13 AM
Tiny
MCOOKE
  • MEMBER
  • 2 POSTS
If it is one of the sensors would that make the car over heat? If I sit still very long the temp gage goes up and the car is getting hot it would over heat if I do not move to get air flow.
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Friday, July 16th, 2010 AT 12:03 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
If it overheats it would start spewing coolant out hoses, I am suggesting the gauge is reading wrong.

Could also be waterpump, thermostat, cooling fans, but you say they have been replaced.
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Saturday, July 17th, 2010 AT 8:48 AM

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