yea its an obd2 i have changed the plugs today and it just keeps ding it. the code reader says its all ignition issues so thats what i have been changing. i dont know why it keeps doing it. it tried to dy on us on the way home today. it usually jst sipts for a socond then its fine it took me almost a mile to get her running right again so it has to be fuel or fire and the fuel is good. im not getting a check engine light and thats what makes me tink of it being those two and the only trouble codes i have got are 12 55 and the 43 code so i dont know what its doing. i love this jeep but im about to get rid of it cause im tired of working on it. where did you get the software and cable to hook your laptop up tto it? and how much did it run price wise? cause i need to hook it up to something? i know a guy that has a auto shop but he charges 35 bucks to run it and he is always swamped so i dont know when i can get into have it run. well thanks for all the help guys im pulling what little hair i have out trying to figure this thing out.

thaks so much

Marty