» » »

Chevrolet Q&A

Ask Your Question

2001 Chevrolet Impala Question: spark plug order



, Brattleboro, VT, October 26, 2012, 12:40

i got a code p0304 witch is miss fire from the spark plugs i just replaced all plugs and cords and it is still there what should i look for to know why the plug is not firing properly

1 Answer
Flag This
  • Answer #1

    October 27, 2012, 11:02

    Code P0300 is engine misfires so I am going to say that the P0304 you retrieved is a misfire in cylinder number 4. Check the coil for that cylinder both visually and with a DVOM for the proper resistance.

    Flag This