p0303

  1. M

    1.4 Petrol Misfire (P0303) - Help to diagnose?

    Hello I've had to do a few things to a newly purchase 2000 (X Reg) A2 petrol 1.4. It has a coil pack & spark plugs. It's started misfiring on cylinder 3 (error P0303) as well as an intermittent P0302 (cylinder 2). This is something that has just started to happen after I've fixed other things...
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