Running fine when i got it but about 2 weeks ago it threw these two codes I've been throwing parts at it ever since, plugs, wires, cap, rotor, tps, and i'm sure other stuff that i'm forgetting I've recently notice a lot of 4.0 misfire threads popping up and i find myself linking a thread i made a few years ago about my misfire issue and the result
jeep wrangler p0300 code multiple cylinder misfire problem and solution
Since there are many possible causes to a.
I had a random misfire in the gc shortly after i got it, and spent a couple of weeks (including working with my own obd reader) and could not pin down anything other than it often was the 2 and 5.
The cost of fixing a jeep wrangler misfire varies depending on the cause and the severity of the problem Replacing spark plugs and wires is a relatively inexpensive repair, while replacing an. I hooked it up to a computer and found three codes 1) random misfire, 2) cylinder 2 misfire, and 3) cylinder 4 misfire
I have a 1998 wrangler 4.0 that is experiencing a misfire, specifically with a cylinder 1 error code I've gone through the entire process, including replacing the plug, wire cap, rotor, fuel pump. After 2 weeks of owning the jeep it had a miss fire on number 2 and number 5 cilinders so as i was told to change out the coil pack the spark plugs and. If your jeep wrangler is misfiring after replacing the spark plugs and ignition coils, several potential issues could be the cause
One possibility is a vacuum leak
Thoroughly check for these before.
