Reply To: Nissan Quest – 2004 – Code P0306 – Location of Cylinder 6

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#6720

Oldman
Participant

The quick way to diagnose the coil in cylinder 6 is to swap it with the ones next to it. If you swap it with cylinder four and the code becomes P0304 you know that coil is no good. I think OEM coil has a stamp of Hanshin or Mitsubishi, if you get it from the yard.