2004 Chevy Optra optra blowing smoke out exhaust

125,000 MILES • 4 CYL • 2WD • MANUAL
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FRIDAYTHE11
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  • 2 POSTS
Motor is burning oil excessively, excessive blue smoke out the exhaust, compression test on engine shows 225 on all cylanders. disconected the pvc system and the problem did not clear itself, puzzleing that it has good compression and still lots of oil getting into cylinder, and suggestions as to the problem? Optra engine have any common issue regarding this?

Jason
Mar 18, 2010 at 11:39 AM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Perform a leak down test, could also be valve stem seals.
Mar 19, 2010 at 12:40 AM
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FRIDAYTHE11
  • MEMBER
  • 2 POSTS
Is there a way to test or confirm valve stem seals?
Mar 19, 2010 at 12:30 PM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Yes, a leak down test will test seals and rings, to isolate the problem.
Mar 20, 2010 at 1:06 AM
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