Rough cold idle
05-13-2013, 01:57 PM
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Rough cold idle
1996 4.9 5spd Engine suddenly started rough when cold ran great when I parked it.When started sounded as if it was missing started driving cel came on then started flashing pulled over to check out everything looked good.Engine still ran a little rough but when temp came up seemed to go away.Showed code po304 I changed plugs,wires.cap and rotor.Any ideas?
