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Tailpipe smoking

Tiny
CYCLEPOPS
  • MEMBER
  • 2008 CHEVROLET CORVETTE
  • 35,000 MILES
Why is car smoking light blue smoke mostly at idle when it is not useing any oil on dipstick
Sunday, April 21st, 2013 AT 5:18 PM

7 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Blue smoke is oil burning, check spark plugs for ash deposits a comp test or a leak down test will give a good indication as to ring condition.
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Monday, April 22nd, 2013 AT 2:45 AM
Tiny
CYCLEPOPS
  • MEMBER
  • 5 POSTS
Did com test and leak down 180 -183 all, no leak off no black on plugs, all rubber around valves looks great [as it should ]. Shows some oil in intake but can not figure how it's getting there took hoses off vacum sys, drove 40 mi still smoking same. Thanks for any help u can give me terry
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Monday, April 22nd, 2013 AT 5:02 AM
Tiny
CYCLEPOPS
  • MEMBER
  • 5 POSTS
Cold I have a cracked [ broken oil [ ring and leak down still be good
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Monday, April 22nd, 2013 AT 5:21 AM
Tiny
CYCLEPOPS
  • MEMBER
  • 5 POSTS
And I don't understand what o-ring?
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Monday, April 22nd, 2013 AT 5:23 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Engine may be breathing heavy, due to blow by constant blue smoke is oil burning, either from faulty rings or worn valve guides and valve guide seals.
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Monday, April 22nd, 2013 AT 2:18 PM
Tiny
CYCLEPOPS
  • MEMBER
  • 5 POSTS
Ok thanks
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Tuesday, April 23rd, 2013 AT 4:31 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Closing thread, you can re post if you have further questions, do not respond to this message.
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Wednesday, April 24th, 2013 AT 2:59 PM

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