2004 Chevy Optra optra blowing smoke out exhaust

2004 CHEVROLET OPTRA
125,000 MILES • 4 CYL • 2WD • MANUAL
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FRIDAYTHE11
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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 6:39 PM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Perform a leak down test, could also be valve stem seals.
Mar 19, 2010 at 7:40 AM
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FRIDAYTHE11
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Is there a way to test or confirm valve stem seals?
Mar 19, 2010 at 7:30 PM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
  • 8,548 POSTS
  • ASE Certified Mechanic
Yes, a leak down test will test seals and rings, to isolate the problem.
Mar 20, 2010 at 8:06 AM
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