getting code po118 coolant tempsenser high voltage,change senser with others i had same results.

2002 CHEVROLET IMPALA
75,000 MILES
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W DAVIS
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I started first off by doing intake gaskets intake was cracked repaced with set from junkyard with fuel rail and harness on,ran ok but fans ran and temp gaug not working.checked harness under intake with vom think its ok,what next im not sure. any help or ideas would be great thanks; Bill
Dec 1, 2011 at 9:25 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
The coolant temperature sensor could be defective or a wiring problem to it to include the computer itself-
Dec 1, 2011 at 9:30 PM
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