2003 GMC Envoy Temp Gage

2003 GMC ENVOY
81,000 MILES • 6 CYL • 4WD • AUTOMATIC
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DJONES5760
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  • 1 POST
My water temp gage has maxed out but there is no sign of any overheating, etc. Also no warning lights are coming on. Any suggestions?

Thanks

Dennis Jones
Jan 2, 2010 at 4:44 PM
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BLUELIGHTNIN6
  • ✓ASE Certified Mechanic
  • 16,542 POSTS
  • ASE Certified Mechanic
suspect faulty engine coolant temperature (ECT) sensor.
Jan 10, 2010 at 1:20 PM
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