Rick's Free Auto Repair Advice

Long crank times when hot low coolant light on – GM

Long crank times when hot low coolant light on – GM

GM has issued a technical service bulletin (TSB) 07-06-02-003 to address an intermittent Check engine light on, P0128, Long crank times when hot low coolant light on for the following vehicles:

2006 Buick Terraza
2006 Chevrolet Impala, Malibu, Malibu Maxx, Monte Carlo, Uplander
2006 Pontiac G6, Montana SV6
2006 Saturn Relay with 3.5L or 3.9L

If you own one of these vehicles and find a check engine light with trouble code P0128 set in the computer, here’s the fix. First, verify that the cooling system is filled to the proper level. Next, verify that the thermostat is opening at the proper temperature using a non-contact infra-red thermometer. If everything is working properly, you must have the computer’s software updated to the latest version. The newest version also addresses long cranking times in hot restart situations.

© 2012 Rick Muscoplat

 

Posted on by Rick Muscoplat


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