1991 GMC Jimmy temperature gague malfunction

1991 GMC JIMMY
180,352 MILES • 6 CYL • 4WD • AUTOMATIC
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JHAGBERG
  • MEMBER
  • 1 POST
other than a broken thermostat, what would cause my temperature gague to malfunction
Jan 3, 2008 at 5:27 PM
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BLACKOP555
  • CAR REPAIR CONTRIBUTOR
  • 10,386 POSTS
a short in the wire, a bad coolant temp sensor or coolant temp sending unit, and a low antifreeze level.
Jan 3, 2008 at 7:18 PM
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