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1997 Chevy Tahoe low engine temp.

Tiny
HUNTER12
  • MEMBER
  • 1997 CHEVROLET TAHOE
  • V8
  • 4WD
  • AUTOMATIC
  • 194,000 MILES
I replaced the thermostat, radiator and radiator cap and the engine temp will not stay at or near 195 degrees. It drops to 150 degrees once the thermostat opens. I believe this is causing poor mpg. Any ideas
Monday, March 10th, 2008 AT 6:58 PM

2 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Use a thermometer to check the coolant temp at the radiator
you may have bad sending unit
or a defective thermostat
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Monday, March 10th, 2008 AT 7:47 PM
Tiny
RBRITTON
  • MEMBER
  • 3 POSTS
May have the wrong antifreeze / water ratio for the temp. Of your area
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Monday, March 17th, 2008 AT 6:07 PM

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