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Johnny Evans

Johnny ... 2/21/2017

1998 BMW M3 Base 6 Cyl 3.20L

Engine

Misfiring issue on e36 m3, replaced coil pack and spark plug

Replaced coil pack and spark plug but still throwing misfire code on cylinder 2

1 Answer


Jimm

Jimm 2/22/2017

P0302 - Cylinder 2 Misfire Detected.
This code means that cylinder two is misfiring. A misfire occurs when there is incomplete combustion inside the cylinder.

Possible Causes:

Vacuum leak
Defective fuel injector
Defective ignition coil pack
Insufficient compression
Defective high tension wire or spark plug

Possible Solutions:

Repair vacuum leak
Replace defective injector
Replace defective ignition coil pack
Replace burnt exhaust valve
Replace defective high tension wire or spark plug

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