temp gauge

1998 CHEVROLET CHEYENNE
230,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SMOKENJOE66
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  • 2 POSTS
tempature gauge not working on 98 chevy pu. Just changed sensor, still not working
Dec 12, 2010 at 8:14 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Did you replace the correct sensor? There is a temp sending unit and a temp sensor.
Dec 15, 2010 at 4:18 AM
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SMOKENJOE66
  • MEMBER
  • 2 POSTS
I changed the temp sensor located in front of the thermostat housing. Where is the temp sending unit located?
Dec 17, 2010 at 7:28 PM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
I believe it is either on the intake or on the side of the engine block. It's purpose is to tell the computer the ambient temp and coolant temp. From that, the computer determines how rich or lean to make the fuel mixture.
Dec 19, 2010 at 12:41 AM