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**UPDATE*** I put over 500 miles in the Jeep after getting the issue resolved and last week the CEL came on. I used JSCAN to see any codes and lo and behold, P0304 came up again. All six of fuel injectors were replaced so it’s unlikely a bad injector. I think the code is somehow stuck...

I'm done giving out perfect scores if they are not deserved. I don't always get the reviews I think I deserve every review quarter. There are some dealerships that are shady in that they won't send out a review. I visited a dealership last month and they never sent a review at all. As a matter...

Like I said. I’m no mechanic but I get a lot from this page so I thought I would contribute an ending to my story and pass on info. Enough people used JL injectors in JKs successfully that I was willing to try. Thank you for reading my update.

The JKU seemed to have more pep when starting after being at a red light. I put in a bottle of Lucas fuel injector cleaner and used mid grade gas after the repair. My girl is 11 years old and I'll need more time to see if idle smooths out. I have low expectations for skyrocketing MPG because I...

Thank you and you are welcome. I get alot from this forum and maybe may or may not have known about JL injectors fitting JKs. . I was "two weeks ago" old when I found out about 8 port injectors.

Not my image but the injector on the right with 8 ports is a JL injector.

I expected to pay the bill on pick up since they put in all of the fuel injectors. They could have waited 30 minutes for me to drive and come back but they didn't even call me the next morning at 8am which is when they open. Very nice and I got complimented for being able to change sparkplugs...

***UPDATE*** - Since I take alot from the forum, I wanted to report back and perhaps help someone else. THANK YOU for all of the suggestions. The Jeep is fixed. I got tired of throwing parts at it even though these were "fixes" for the #4 misfire and excessive fuel consumption, so I took it to...

Thank you. My mom always asked me how the Jeep was running every time she called. I’m keeping it til I die or the Jeep dies. thought about the PCM as I found out the pressure test passed. Yeah, it’s my daily driver. I take the shuttle to work so I don’t drive much. Thank you to everyone who...

I changed the PCV valve. It was full of oil(or at least oily) and the hole was definately wider than the hole on the new valve. Still have the codes. It's going in for diagnosis. I planned on keeping this Jeep and didn't want to do any major work until it was time to do a whole swap. I didn't...

Another Jeeper informed me it doesn't do any good and suggested I put mine in the closet.

Luckily this chick has small fingers. I've seen the videos and it's a sucky place. I should have done this last year OR last week.

No and it's my fault as the Jeep has been apart twice already and I should have done that.

Did a sensor change last year that was suppose to be bad and it got rid of the CEL for a while. I'm going to try the PCV valve which I should have done when it was apart last year for the oil filter housing replacement and last week when I did the spark plug coilpack replacement. I haven't...

I plan on it. I'm working on something personal right now but the goal is to keep the Jeep, do a swap so that the Jeep is no longer my daily driver. The engine is stock right now, no modifications.

This has been the plan all along. The Jeep is paid for, it runs good and I like not having a carpayment.

I changed a 9 month old spark plug and the original coilpack on #4 cylinder to see if this would get rid of the CEL. My 2014 JKU Sport is 11 years old (152K miles) with the 3.6 engine so I've been having nightmares about her needing work. I was going to try new fuel injectors to see if that will...

I put in a new coilpack and spark plug(new spark plugs 9 months ago but oh well) on #4 to see if that would clear the misfire and fuel/air imbalance codes but it did not. I did this all by myself in front of my apartment and was proud of myself. My Jeep is 11 years old with the 3.6 engine so...

To the Jeep wash. Washed it myself.