2006 Pontiac Grand Prix Check engine light and over heats

Tiny
SHAKENINE
  • MEMBER
  • 2006 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 70,000 MILES
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.
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Wednesday, October 21st, 2009 AT 6:10 PM

1 Reply

Tiny
MMPRINCE4000
  • CERTIFIED MECHANIC
  • 8,549 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.
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Sunday, October 25th, 2009 AT 10:14 AM

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