2001 Chevy Venture Check Engine Light

2001 CHEVROLET VENTURE
97,210 MILES • 6 CYL • FWD • AUTOMATIC
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DMARKBELL
  • MEMBER
  • 2 POSTS
CEL #1
Collant Temperature Indicator (Replaced Sensor)
Drove Vehicle 2 days Temperature guage working, took Van to AutoZone and had computer reset to get rid of the CEL.
Day 4 CEL #2 Took Van to Advanced Auto
Low Collant Temperature (???? Help here)
The Tech stated that the collant temperature was not hot enough to register on the Sensor. He seemed very intelligent right up to the point when he started scratching his head. He suggested that the Thermistat might be stuck in the open position (???? Help here)
Collant Temperature Guage not working on Dash
Mar 4, 2008 at 1:06 AM
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ED ARMES
  • ✓Experienced Mechanic
  • 129 POSTS
Temperature would still get high enough to read with the thermostat stuck open. It would atleast go a 1/4 to a 1/3 the way up.

I'm hedging on a bad wire in the harness to the temp sensor or dash.
Mar 16, 2008 at 4:20 PM
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DMARKBELL
  • MEMBER
  • 2 POSTS
Turns out it was not the Thermastat that was stuck open but one of the 2 relays that was amiss. Pulling and resetting the Relays on the PCM corrected the false signals and restored the Temp Guage to operation.
Mar 17, 2008 at 4:17 AM
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ED ARMES
  • ✓Experienced Mechanic
  • 129 POSTS
I knew it had to be electrical. Good job!! :D
Mar 17, 2008 at 5:26 AM
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