thedogss

many thanks helps a lot 

hi

it does do the same on both I have found something on a google search that says sometimes the loom wiring plug from the back on the coil pac sometimes gets damaged by the heat/exhaust/ this always make sit misfire so I'm going to check that (soon as it gets light) lol ill let you know how I get on   

can anyone help me please I have a 2006 3.3 Chrysler which is showing a misfire on 1 and 3 it has LPG which was fitted 5 years ago ive owned it for about a year , so it started with the engine management light coming on and showing code po300,po301 and po303 so after looking up codes its misfiring on 1 and 3 so and change the plugs turns lights out and the same thing happens a few days later so now I change the leads and then same thing happens next I change the coil , same thing happens I then have the gas system serviced and again a few days later the same thing happens , it runs fine just a little lumpy on tick over if anyone can help with this would be great .

can anyone help me please I have a 2006 3.3 Chrysler which is showing a misfire on 1 and 3 it has LPG which was fitted 5 years ago ive owned it for about a year , so it started with the engine management light coming on and showing code po300,po301 and po303 so after looking up codes its misfiring on 1 and 3 so and change the plugs turns lights out and the same thing happens a few days later so now I change the leads and then same thing happens next I change the coil , same thing happens I then have the gas system serviced and again a few days later the same thing happens , it runs fine just a little lumpy on tick over if anyone can help with this would be great .