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  1. Jeep Grand Cherokee & Commander Forums
    Hey guys and girls, I’d like some feedback as to if my diagnosis is on the right track. I have a 2014 Grand Cherokee with the 3.6 pentastar, I had a cel for bank 2 sensor 1 o2 sensor, changed it but didn’t get genuine sensor a month in I had a code for bank two running lean that kept coming up...
  2. WK2 Grand Cherokee Forum
    Anyone got any guide/tips or trick on the removal of the bank 2 catalytic converter?
  3. WK2 Grand Cherokee Forum
    Anyone done the spacer on the downstream o2 sensor on the pentastar to clear the engine code related to deteriorated cat? I’m getting a new set of cats soon but it’ll take a few months to get here. I just don’t want engine light all the time, does it work
  4. WK2 Grand Cherokee Forum
    Hello all, I have a 2012 grand Cherokee, 146k miles, and recently had my check engine light come on. Ran the code and it came back with P0430 Low catalytic efficiency. Decided to buy a better scanner as I'm starting to do more and more of my own stuff and saved the attached reports. Trying to...
  5. KJ Liberty Forum
    Hey Y'all! Been a while since needing advice! Having a Cylinder #6 Misfire. Even my Mechanic is stumped. He's ran Computer Diagnostics Twice now. Original diagnosis was Short Circuit on the PCM. I replaced the unit and it threw codes for the entire Passenger side bank. Both PCMs at least...
  6. Jeep Wrangler Forums
    I have a 2004 Jeep Wrangler Rubicon 4.0L with PO420 code and have narrowed it down to a bad cat. Not sure if if it’s the pre cats or not but I’m wondering what my options are. New cats cost a fortune and I’m wondering if I can replace the system with headers.
  7. WK Grand Cherokee & XK Commander Forum
    P2096/2098 codes came on after we accidentally drove the car off the pavement (sliding/bouncing but didn't flip over). Initially only P2096 came on after the near-incident, then P2098 came on the following morning. The codes then disappeared for a few days then came back again after 3hr+...
  8. ZJ Grand Cherokee Forum
    I have a '97 ZJ with the 5.2. Some jerk thief stole my cat, cutting my exhaust with a sawzall, cutting the downstream O2 sensor wire. I've driven the jeep a little bit (< 10 miles, sounds AWFUL) but I was expecting it to throw a code or something. My question is, am I going to be running...
  9. JK Wrangler Technical Forum
    2009 X 2DR 3.8 Automatic I am rebuilding the engine after 185k miles because a mechanic friend has donated his time. I'll be doing timing chain, water pump, new cam, checking valves, pushrods, lifters, gaskets, new radiator, fuel tank skid plate, new wheels/tires, wrap, etc. Yesterday we took...
  10. ZJ Grand Cherokee Forum
    Hi all, So, this is a problem that cropped up a few weeks ago. It happened suddenly at around the same time I had my DRL module fail, so I hope to hell this isn't an electrical problem. I have no power in my 1994 Jeep ZJ 4.0L. As in, from a standstill, when I press on the gas it glugs and...
  11. WK Grand Cherokee & XK Commander Forum
    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...
  12. WK Grand Cherokee & XK Commander Forum
    Hello everyone. [I posted this same post (Titled : SnowRider) is the 'WK Grand Cherokee' page where everyone is posting pics of their Jeep. I just realized that was the wrong place to post a question. I apologize for that. ] I have a 2008 Jeep Grand Cherokee Laredo (3.7L 4x4). It has 120k...
  13. Wrangler General Discussion
    I need to replace my cats and don’t want to piece them out. Anyone have any experience with replacing the whole y-pipe unit and all sensors? And not going through the dealer. Mufflerexpress.com seems like the best price for the y-pipe but I’ve a lot of posts about oxygen sensors being...
  14. WK Grand Cherokee & XK Commander Forum
    I drive an 06 Grand Cherokee 3.7L. I had some misfires and got the ignition coils/sparks plugs replaced and the fuel injecting systems (after driving on the highway for 30min). I took the car back home from the shop and everything was okay. However, yesterday the shaking during idling issue came...
  15. TJ Wrangler Technical Forum
    I have a problem with the catalytic converter under the passenger side floor turning my TJ into an oven. To begin with I have a stock '03 Sport with original interior and factory option 30" tires. This Jeep is a daily driver. The symptoms are a very hot floor and a shift lever handle. On longer...
  16. Cheap Tricks & Fixes
    Just found out my cat is on its way out, and the mechanic recommended just gutting the thing because the replacement is rather pricey. I live in FL with no emissions or anything, but I'm wondering how difficult this is, and what can go wrong in the process? My uncle is pretty car savvy but...
  17. KJ Liberty Forum
    At 245,000+ miles and a weekend wash job that included spraying under the hood (I know, I know), Monday morning's startup was normal, but a half mile into a 55-mile one-way commute to work, I noticed a slight miss, and just figured it was a little dampness. Three miles later it starts knocking...
  18. TJ Wrangler Technical Forum
    I just bought my son a 2001 TJ to go along with my 05 LJ. We've only had the Jeep a week, passed emissions test two days ago. This morning it threw P0432 code. I have been reading and searching on this forum and have it narrowed down to either the rear most O2 sensor after the pre-cat or the...
  19. TJ Wrangler Technical Forum
    I recently bought and installed a 49 state Magnaflow direct fit cats to replace the broken stock one (the 2 minis and the third downstream) on the stock manifold. Has anyone else here done the same and if so, did you use the stock bolt set up from the mini cats to the manifold or did you have...
  20. KJ Liberty Forum
    04 KJ Limited 3.7 V6 95,000 miles Was wondering if anyone could guide me to an affordable catalytic replacement that will work nicely in my Jeep. It's throwing a P0430 Code. Was researching other possibilities of what it could be but now I know its the Cat. Has broken debris inside. Bank 2...
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