Search Results for ‘p0420’

My wife and I recently purchased a used 2014 Grand Cherokee Summit and there has been an odor of burning oil which the dealership was supposed to have taken care of but has not. A few days ago, I was driving it and got into a traffic situation that led me to having to put the accelerator pedal...

Hey guys, I've been doing weekend maintenance, and a couple weeks ago I took the air intake tube off and sprayed the throttle-body with GDI Intake cleaner. I was manually moving the flap, which I later found out was a bad thing to do.... Anyway, once I put it back together and drove it to blow...

Hey all, doesn't it figure my first post would be a call for help. Need some input from those that may have dealt with this before or know something that I may be overlooking. I am a little confused now. 2007 JGC Limited 5.7 HEMI 114k miles At about 2k rpm Bank one sensor one (Driver side up...

Has anyone cut their Y pipe on a 5.7 in half? (The assembly with two cats on it) I thought I heard somewhere that is is a three layer nightmare to cut cleanly. Info will be used for purely hypothetical reasons.. Any experience or pics greatly appreciated. Thanks in advance..

I have an 04 LJ. My check engine light has been coming on and off for the last 7-8 months. Its been the same code each time. P0420. Basically it says its a bad cat, engine mechanical problem, or bad o2 sensors. Im assuming that since the light is turing on and off every couple months, its an O2...

Guys, I need to pick your brains. I just (3 weeks ago) bought this 2001 XJ. She has 120,000 miles, and is in beautiful shape. I didn't know the service history, so I've done a full tune-up, wires, plugs, etc. All fluids have been replaced, A/C has been recharged and the compressor replaced...

Should I have any issues with the dealership with the federal emissions warranty? I would like to be prepared if they try to screw me.

This is my first jeep and was just purchased. It's an 04 overland. I got the codes p0420 and p0432 originally. So i replaced the cat with an aftermarket stock one and the rear o2's with bosch. I read i'm not supposed to use them but they were the only ones i can get in the need of today. Cleared...