Question about 2007 Ford Focus (3 Door) Hatchback
If a coil failed, that would explain the stuttering when driving, but the smoke is due to a leak inside the engine, either antifreeze getting into the cylinders or the oil is passing the rings or oil is leaking into a cylinder from a valve.
If there is a Service Engine Soon light there are likely codes that are stored. So, have it scanned to give you a clue as to which cylinder is missing.
Posted on Aug 02, 2010
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Posted on Jan 02, 2017
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