Question about Ford Mustang
P0304: Cylinder Misfire Detected (#4)
-Last number corresponds to which cylinder is misfiring.
Could be a faulty spark plug or wire. Try changing the spark plug from the 4 Cylinder to another and see what happens; If the different cylinder misfires, then it is the spark plug. If not, it could be the wires on cylinder 4.
Posted on Jan 04, 2011
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Posted on Jan 02, 2017
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