Thread: miss-fire

Ok so I changes my plugs and wires, hoping to get rid of this miss, granted the car runs alot better now that I put the 606's in with new wires but there is still a problem and cant figure it out. It isnt throwing a code so maybe you guys could give me some insight.

Originally Posted by NegativeOne13

What is the year of the car and any mods? Also, give us symptoms other than misfiring? Normally if its a large number of misfires than a code would be set. Are you talking about 2-3 misfires? Cause its normal to have a few misfires.

it is a 2000 gp gtp, no mods really other than the cat and u bend delete and zzp sim. how rough the engine is running, seems like alot of shake. and I every 3-4 second sounds like a mis listening from back of car

Originally Posted by NegativeOne13

I take it the engine was running rough before you did plugs/wires as well? Have you checked into other typical maintenance like fuel filter? Could be a clogged cat.... or could just be engine/tranny mounts are shot.

Im a complete noob when it comes to this stuff, I dont know where the fuel filter is, and I have no cat as stated above.