I just had my engine rebuit. The exhaust now blows blue smoke ???
Sep 3, 2008 at 4:11 AM
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ROB2008
✓Experienced Mechanic
258 POSTS
Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. I hope they gave you a warrentee !
Sep 3, 2008 at 4:19 AM
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