I just had my engine rebuit. The exhaust now blows blue smoke?
Wednesday, September 3rd, 2008 AT 11:11 AM
1 Reply
ROB2008
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 !