I was coming home car was running fine then all of a sudden it started smoking blue smoke bad and making a tapping sound. what could be my problem?
Jun 29, 2017 at 7:19 PM
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STEVE W.
AUTOMOTIVE REPAIR CONTRIBUTOR
15,146 POSTS
Blue smoke is usually oil burning. Tapping could be a valve dropped into a cylinder or piston ring broke. Hard to say without hearing the sound.
A compression test should reveal the problem. After that it depends on what is found.