Keep getting error code p0304. Have replace all spark plus and ign. Coils Please help
P0304 Misfire number 4 cylinder
Move the number 4 ignition coil to a different known working cylinder, clear the code and test again see if the misfire codes again.
On this VW, there was a persist misfire on the number 3 cylinder, thie fuel injector was tested and passed. and the compression was good, what was found on the number 3 igntion coil was the igntion coil connector on the 3 cylinder was opened and torn
We replaced the wire connection for the number 3 cylinder due to the wire connection failure.
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