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2003 Pontiac Montana w/1SA Pkg 4dr Reg WB

2003 Pontiac Montana
Trim Info:
Front Wheel Drive, 4 Door Reg WB, 2WD Minivan
19 mpg city / 26 mpg hwy
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January 8, 2011, 9:24 am

Muriel H
 

Question: why has my temperature gauge suddenly stopped working

I was driving the other day and the temp. gauge just dropped to 160 and has not moved since. I have to keep my radiator reservoir filled periodically as I know I have some kind of leak. But why would the temp. gauge stop registering.


January 12, 2011, 7:02 am

Elizabeth K
Expert Mechanic

Does it move after you add coolant? If not, then you have a problem with the gauge or sending unit.

http://www.ehow.com/how_4424277_troubleshoot-car-engine-temperature-gauge.html


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