fastvrod

Start it up this morning and run like hell.Missing and loos of power.Hook up the scanner and its showing PO300 random misfire.Should I change spark plugs and coils or just do the plugs?89k on the clock.Your input be greatly appreciated

Gville350

iTrader: (10)

Does it say what cylinder exactly? If so, swap the coil pack from that cylinder to another and see if the CEL follows the cylinder or the coil pack.

Otherwise, there's also the carbon build-up issue.

Need4Speed

coilpack and while you do that sea foam the car as well.

fastvrod

Bought set of new denso iridium plugs.Will change them tommorow,let you know the results.New coils $87 at the dealer.Nice chunk of$$$.Aftermarket are garbage acording to this forum so will stay away from them.Thanx for your replays.

fastvrod

Change the plugs ,what a diffrence.Was a ***** to get two 12mm off in the back of manifold.
Video here: Anybody have the torque spec for 12mm fuel line?