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2005 Pontiac Bonneville Burning Oil

Tiny
TPATTERSON
  • MEMBER
  • 2005 PONTIAC BONNEVILLE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
Every 3000 miles the engine warning light comes on showing check oil level. It seems the car burns a quart every 3,000 miles. I do not see any leaks, drips on the ground and it does not smoke.

What can cause the car to burn a quart of oil every 3K miles?

Thx.

Tom
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Tuesday, March 31st, 2009 AT 4:06 PM

3 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
How often do you change oil and filter?
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Wednesday, April 1st, 2009 AT 3:34 PM
Tiny
TPATTERSON
  • MEMBER
  • 2 POSTS
Every 3000 to 4000 miles.

Thx
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Wednesday, April 1st, 2009 AT 3:40 PM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Might try replacing PCV valve if crankcase is not ventalated well oil can collect moisture and burn off.
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Wednesday, April 1st, 2009 AT 4:30 PM

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