Temp. gauge not rising. No heat blowing
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Starting Member
Joined: Dec 2022
Posts: 2
From: KY
Temp. gauge not rising. No heat blowing
The heat stopped in my 2000 Blazer and the temp. gauge only raises slightly after being warmed up. What's going on here? How can I fix my heat?
Last edited by bowmantyler; Dec 26, 2022 at 10:20 PM. Reason: Misspelling
BF Guru
Joined: Dec 2016
Posts: 5,610
From: Moscow, ID
If the coolant temp was looking correct, then the likely culprit would a plugged heater core or a broken blend-door actuator. But, since you also have apparently low coolant temps, then you likely have bad thermostat, as rockp2 suggested.
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