2001 Chevy Impala hot and cold thermometer

2001 CHEVROLET IMPALA
120,000 MILES • 6 CYL • 2WD • AUTOMATIC
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JTMAVS
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I change the egr valve and the air filter but now the hot and cold thermometer isnt working what could that be
Dec 31, 2007 at 4:07 PM
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BMRFIXIT
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[quote:d3267c57ca="jtmavs"]Electrical problem
2001 Chevy Impala 6 cyl Two Wheel Drive Automatic 120000 miles
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I change the egr valve and the air filter but now the hot and cold thermometer isnt working what could that be[/quote:d3267c57ca]

check your work again
look for a loose wire on the coolant sensor
tenp sendig unit
in the intake manifold
Dec 31, 2007 at 11:54 PM