ngk

New to the Forum.... I have a 1997 TJ 2.5L. I have been reading threads on Power Loss/Sputtering and Backfiring problems. Replacing the O2 Sensors with a NTK sensors seem to be one of the common solutions. https://wranglertjforum.com/threads/jeep-is-sputtering-and-backfiring.12758/ Problem...

I had changed out my spark plugs for my 2004 Jeep Wrangler 4.0 (don’t recall what brand old plugs were) and put champion in and they lasted alright. I got a misfire code recently and replaced them and my buddy picked me up the ngk plugs instead of champion, and a new coil pack. I also replaced...

Hello everyone, new here and relatively new to Jeeps. I have a 2006 Wrangler X that for now is still stock. On Saturday I got code p0153 for o2 sensor 2/1 and replaced it. Disconnected battery to clear the code. Drove the next day and CEL came back with p0157 for 2/2. A little while later the...

Hi all, I've been forced to get my catalytic converter fixed because I'm moving to a state with emissions testing. I've had the P0420 code for over 5 years now. Recently, I had a dealer install a new converter, but the code is still present. I think this is because the converter the dealer put...