1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

operating temp too low

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Old Dec 11, 2024 | 4:37 PM
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John2467's Avatar
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Default operating temp too low

I have a 1994 k1500.
When warmed up it never goes above 110°.
I replaced the ​thermostat 2 times ( rated at 195°)
Replaced both sensors.
Checked my guage against a temp gun (which confirmed 110°).
New fan clutch.

If I warm it up...turn it off...let it sit for 30 min...the temp gauge reads around 175°.

I am at a loss on what to do next. Thanks

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