2001 Chevy S-10 P0128 OBD ENGINE TROUBLE CODE

Tiny
JANCZAK1
  • MEMBER
  • 2001 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 77,000 MILES
I AM TRYING TO SMOG MY TRUCK, BUT THE SERVICE ENGINE LIGHT IS COMING ON, GIVING A P0128 OBD ERROR CODE. THE RUNS VERY COOL, DOESNT SEEM TO BE HEATING UP LIKE IT SHOULD. THE CODE READER SAYS THE COOLANT TEMPERATURE IS BELOW THE THERMOSTAT REGULATING TEMPERATURE. ANY IDEAS ON WHAT WOULD MOST LIKELY BE THE CAUSE OF THIS? IM SURE ITS MORE THAN LIKELY A COMMON PROBLEM FOR THIS MAKE MODEL AND YEAR.
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Saturday, January 26th, 2008 AT 11:53 AM

1 Reply

Tiny
CFITZGERALD
  • MEMBER
Check the thermostat for a stuck-open condition
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Tuesday, January 29th, 2008 AT 3:10 PM

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