When
the engine misfires, it loses power, can even fail emissions. The cause of
the misfire can be electrical or air/fuel related. If the engine is running
perfect and all of the cylinders are “firing” that is there is no misfire.
Once
the air fuel ratio inside the combustion chamber in any of the cylinders gets
interrupted, the engine will misfire. One cylinder can misfire or more than one
cylinder can Misfire depending on the situation.
To identify the cause of misfire the
easiest thing to check is always the secondary electrical circuit. May be
problem in both the coil and wire. Also may check total electrical harness and
for air/fuel related diagnosis Compression test may be done by compression
tester.
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