4.0

definitely annoying
Typical Repair Cost:
$80
Average Mileage:
121,200 miles
Total Complaints:
1 complaints

Most common solutions:

  1. replace coolant temp sensor and thermostat (1 reports)
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problem #1

Nov 032008

Monte Carlo SS 3.8L

  • Automatic transmission
  • 121,167 miles

Was driving down the highway when I noticed my coolant gauge wasn't working. Soon after my "Service Vehicle Soon" light came on, along with my check engine light. I put the scanner on myself and found it to be the Coolant Temperature Sensor. I replaced that, as well as the thermostat, since it was right next door.

- Kyle C., Windsor, Ontario, Canada

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