1999 Pontiac Montana fumey odor

Tiny
KDAWKI01
  • MEMBER
  • 1999 PONTIAC MONTANA
  • V8
  • 2WD
  • AUTOMATIC
  • 144,896 MILES
My low-coolant light blinked on then off. Though I have a shortage because my abs and service engine light stays on. I finally checked the antifreeze and it wasn't any. I filled it and it began to get hot. Now there is thick grayish white smoke coming from the exhaust and it has a fumey odor like coolant and oil. I did have the thermostat changed. Bit it is still doing this.
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Thursday, March 25th, 2010 AT 9:25 AM

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Tiny
JACOBANDNICKOLAS
  • EXPERT
If you are getting grayish white smoke, you have a bad head gasket. When coolant gets into the combustion chamber, it produces white smoke when it burns.

Check engine compression and I feel you'll find one or two cylenders with low compression.

Let me know what you find.
Joe
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Sunday, April 25th, 2010 AT 12:40 AM

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