1999 Buick real gs, temperature gauge starts at half way when starting cold car and gos up when car warms up. The fan on radiator runs almost immediately after starting car. radiator and overflow are full. Is it a sensor or something worse?

Asked by carbonxtreme Apr 15, 2013 at 12:41 AM about the 1999 Buick Regal GS Sedan FWD

Question type: Maintenance & Repair

The trans was recently replaced  a few months back.

3 Answers
177,545

tenspeed answered 11 years ago

It could as simple as a bad temperature sensor.

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