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Buick Rainier

(2004 Buick Rainier)
in Gilbert, AZ on June 15, 2011
my 2004 Buick Rainier reads coolant hot, but its not over heating my guages don't read overheating and my check engine light is not on what else could it be
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Popular Answer
on June 15, 2011
The temperature gauge may not be "exact'; I would recommend having the gauge checked with a diagnostic tool to see if it responds to commands properly.

I would also verify the temperature sending unit was reading properly at the engine.
of Fairway Auto Repair on June 16, 2011
Are you sure the overheat light is not a low coolant light? It is not unusual for the low coolant light to be on and the coolant is full. it does indicate a problem, though
on June 16, 2011
Good point, Dale, when I read the question again, you might have hit the nail on the head.
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