2002 Chevy Blazer Temperature Gauge

2002 CHEVROLET BLAZER
68,000 MILES • 6 CYL • 4WD • AUTOMATIC
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JADEN316
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I noticed today that my temperature gauge doesn't seem to be getting hot enough. It's usually at about 1/2 way on the thermostat, but today it was about 1/4 of the way up. I did have heat, but it didn't seem as hot as usual. Also, the service engine light came on yesterday. I checked the anti-freeze level from the overflow and it does seem low. And, I had a radiator flush in January.
Oct 7, 2008 at 10:01 AM
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KERENSELF
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If the service engine light has come on, the first step would be to have the troublecodes read - usually your local parts store will do this for free. Based on your description, I would suspect that your thermostat is stuck open....
Oct 13, 2008 at 8:46 PM