2006 Pontiac Grand Prix Check engine light and over heats

2006 PONTIAC GRAND PRIX
70,000 MILES • 6 CYL • FWD • AUTOMATIC
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SHAKENINE
  • MEMBER
  • 1 POST
My check engine light comes on now and the car overheats.I had some anti freeze put in and it done the same thing a month later. What could be the problem.
Oct 21, 2009 at 11:10 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
First have the codes read at most autoparts stores.

Overheating could be thermostat, waterpump, or possible restriction in radiator/cooling system.

If heater is not putting out heat, then it is an indication of a thermostat, or waterpump.
Oct 25, 2009 at 3:14 AM
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