2003 CHEVY IMPALA CODE PO128 COOLANT THERMOSTAT/TEMP.

  • Tiny
  • dclark
  • 2003 Chevrolet Impala

Other Category problem
2003 Chevy Impala 6 cyl Front Wheel Drive Automatic 75,500 miles

The check engine light has come on recently. I've checked it & received this code. Do I need to replace the thermostat? What else should I get checked & how much does this typically cost(estimate)? Thank you very much! I appreciate the help & advice!

Douglas Clark
Orlando, FL

Wednesday, January 30th, 2008 AT 9:10 PM

1 Answer

  • Tiny
  • BMRFIXIT
  • Expert
  • 19,554 posts

You need to replace the thermostat
$75 to $125

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Wednesday, January 30th, 2008 AT 9:15 PM

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