2008 Dodge Charger Code P300 & P303
60

Asked by Atr7 Dec 13, 2017 at 03:55 PM about the Chrysler 300

Question type: Maintenance & Repair

Faulty spark plugs, ignition coil packs? Why am I getting
this code? Im about to start with the coil packs(6).

1 Answer
34,280

charles answered 6 years ago

p0300 is random miss fire p0303 is #3 miss fire I would start with #3 cylinder removing plug and inspecting for cracks. moving plug and coil to another cylinder ( not both to the same ) and see if code moves to that cylinder. then you will know if its the plug or coil.

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