Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hello my name is ***** ***** I can help.
When the code P0128 sets goes into a default mode.
Causing your problem.
P0128 may not turn on the engine light until it fails 3 times. But will be it history.
The most common fix is to replace the thermostat.
The thermostat is covered under the 5 year 100,000 mile warranty.
Most auto part store will check for codes for free
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