Forum Discussion
Chum_lee
Mar 28, 2017Explorer
What year engine? Do you have a catalytic converter(s)? Leaky exhaust valve guides can easily pump quarts of oil/1000 miles which doesn't go through the engine, only through the exhaust manifold and out the tailpipe. If you have an oxygen sensor with a feedback loop and catalytic converter(s), it will burn there without showing signs of blue smoke out the exhaust.
Chum lee
Chum lee
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