1991 GMC Van temp gauge

1991 GMC VAN
61,000 MILES • V8 • 2WD • AUTOMATIC
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BIGBAR30
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When driving my temp gauge goes up a little and stays there whether climbing a long hill in hot weather or going downhill. Goes up a little more when I turn engine off. Thermostat changed last year and temp sensor changed about 3 months ago. Gauge never gets up to 180 or 190 degrees. Ideas please.
Dec 7, 2008 at 11:08 PM
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OBXAUTOMEDIC
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[quote:a47feb7c47="bigbar30"]Engine Cooling problem
1991 GMC Van V8 Two Wheel Drive Automatic 61000 miles

When driving my temp gauge goes up a little and stays there whether climbing a long hill in hot weather or going downhill. Goes up a little more when I turn engine off. Thermostat changed last year and temp sensor changed about 3 months ago. Gauge never gets up to 180 or 190 degrees. Ideas please.[/quote:a47feb7c47]

Hello,

Check the Thermostat sounds like it is stuck open....

.
Dec 7, 2008 at 11:17 PM