egr

Hi, I limped my 2021 rubicon ecodiesel into dealership with the CEL, red lightning bolt/ETC and yellow traction/ESC, lights on. Tech found these codes: P0299 Turbocharger underboost P2457 Exhaust Gas Recirculation cooling system P049B EGR B Flow insufficient EGR cooler bypass was inspected...

I recently had an EGR valve replacement and supposedly the dealer did a full carbon cleanup of the system, but 3 days later the engine light was on and the new dealer said the EGR cooler was plugged. They ended up replacing the EGR cooler and valve (again). Ever since that was done the Jeep...

Just like the title says,this is my 7th Jeep from cj7 up and I love this one, honestly hated the others never kept more than 3 months but this is way different with the diesel. I have contemplated deleting it and it already has a derringer and banks gauge pod with pedal monster. 37's winch...

Hi Everyone, Wanted to make this post in case others are having this issue. My Jeep threw a check engine sign the other week and using a scan tool, I was able to identify the P1404 diagnostic code. This means the EGR valve is not opening/closing when it is supposed to. Given the issue, the...

My favorite Jeep continues to hurt me. Not really looking for advice. Just commiseration, and get the issues out there into the Jeep-world ether. Our '21 JLURD went back into the shop on September 16 for some hardware the dealer failed to reinstall with the engine oil leak repair 18 months ago...

I picked up my Jeep from the dealer service on Wednesday and noticed the foam EGR cover was loose in the engine bay. Had 3 techs and service writer take a look and no one was able to see how it would attach, though the molded-in bracket had scuffs from a bolt head. They weren't very helpful in...

https://www.dieselplace.com/threads/lubricity-additive-study-results.177728/ From what I’ve read, and I know this isn’t a breakthrough as I’ve seen several people here mention it, the main problem with this engine that reduces its lifespan has to do with the CP4.2 HPFP and its design requiring...

I’m trying real hard to find peace with soot. Diesel still a mystery in many ways. I’m thinking that removal of the EGR periodically for cleaning will help prolong the life of the engine. Deletion is not an option and just letting it accumulate seems senseless. Video brings up good points...