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  1. 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
  2. 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...
  3. XJ Cherokee Technical Forum
    Good day to all those with great taste in cars. Seeking help from some diagnostic wizards for fuel flow and starting issues. I need a help diagnosing jeep xj 1996 4.0L 6 inline MPI problems, because there are too many parts i could potentially try repair. Main issues: On starting the car...
  4. YJ Wrangler Technical Forum
    My dad, my brother, and I have been restoring our 1991 2.5L 4 cyl YJ as a family project. We've spent the past few months troubleshooting a rough running engine with sputtering and power loss and we could use some help. We tried to fix it by replacing parts and installing new sensors. Now the...
  5. XJ Cherokee Technical Forum
    How's it going y'all! I've been capitalizing on this pandemic time to rebuild my Renix 4.0. Unfortunately, while pulling out the engine, I broke a sensor on the side of the block. I've been struggling to identify what it is. Seems like all of my Renix literature shows a sensor in this location...
  6. YJ Wrangler Technical Forum
    I installed a fuel pressure gauge this weekend, and I thought some of you might want to do the same so I'll post the info here I purchased the gauge kit from eBay, it was this one specifically but you can choose whichever style you like (may use different threads though)...
  7. Audio, CB & Ham Radios, GPS, & Electrical
    Hi all new here. My ambient air temp sensor needs to be replaced. but i also need the plug itself. part number 127768-01203098 from parts geek. i cant post links cause this is my first post. that is the sensor itself. but my plug also ripped off with the sensor. so i need to connect in a new...
  8. TJ Wrangler Technical Forum
    Hello! Long Story short, I have been getting a P0138 code for a few weeks and finally decided to put in a new O2 sensor yesterday. Got underneath the Jeep and the previous owner had installed a custom exhaust but completely removed the downstream O2 sensor! Now I am getting a P0138 and a P0141...
  9. XJ Cherokee Technical Forum
    Hey everyone, I have a '97 Jeep Cherokee Sport, around 187,000 miles on the odometer. Once a month or so, I will have a day where when I accelerate, the RPM's will surge up and down, but it will feel like it is coasting, as if I do not have my foot on the pedal. There is also an audible...
  10. KJ Liberty Forum
    Purchased an 04 Liberty Limited the other day, with full knowledge that it needed work. I bought it cheap, and intend to fix it to sell. There is a single TPMS sensor that is malfunctioning. Is there a way to check/change the battery without removing the tire? Do I need to get the same...
  11. WK Grand Cherokee & XK Commander Forum
    Hey there, I'm new to the forums and owning a jeep and have a few things I need help with. I have tried searching the forums and google and can't find help with some issues. I just purchased a 2005 Grand Cherokee with 5.7 Hemi. I am guessing it is a limited but I don't know how to tell haha...
  12. Engines & Drivetrain
    Hey guys, I recently took my jeep out of a 3 month hibernation and started driving it today. On the way back home my check engine light came on. The check engine light comes and goes. Sometimes its on when i start sometimes its not. Sometimes it comes back sometimes it doesn't. Lot of times...
  13. YJ Wrangler Technical Forum
    I have a 91 YJ that the temperature gauge reads always cold. I replaced the sensor near the back of the block on drivers side. I tested the wire with a ground and gauge reads hot as it should. But when I put the wire cap back on and get the jeep hot, I get no reading. Is it grounded somewhere...
  14. WJ Grand Cherokee Forum
    My 2001 WJ is giving me a P0161 code, a Bank 2 Sensor 2 voltage problem...I run the jeep up on ramps this morning, slide underneath, and can only find two sensors, the two before the catalytic converter, just before the exhaust pipes for the front 3 cylinders meet the rear 3 (one sensor in each...
  15. ZJ Grand Cherokee Forum
    I was driving down the road and my ZJ had a stroke. All electronics shut down. No guages, no spark, fuel pump not shutting off, no CEL. Brought it to my mechanic and he tested every sensor and replaced napa computer under warranty. 3 weeks pass by and still no solution. The mechanic is running...
  16. JK Wrangler Technical Forum
    I have a 2009 2-door Wrangler X with vinyl seats that I absolutely hate. I picked up a pair of stock JK cloth seats(year unknown) to replace them. I do not believe my 2009 X has side airbags, but the current seats do have some sensors attached to the seat bottoms(see pictures). The first pic...
  17. Engines & Drivetrain
    Needing some advice here. I have a 2001 Jeep Grand Cherokee Limited 4.7 Liter V8. Drove it to a council meeting on Wednesday and ran like a top. Thursday morning I got in and went to start the vehicle and these are the symptoms: 1. Gas tank was showing empty when there is a half of tank of...
  18. ZJ Grand Cherokee Forum
    I was in a parking lot and the jeep just died and will not start. Turns over, no spark, no injectors but fuel at the rail. PCM is saying code 11. Fuses ok, and so are the relays. I tried to replace the camshaft sensor (under the distributor) but still the same thing. Can the crankshaft sensor...
  19. WK Grand Cherokee & XK Commander Forum
    Last summer our '06 stem decided to disintegrate and I ordered 3 separate stems and repair kits trying to fix the problem, none of them worked so I ended up buying the entire assembly. ..which of course I should have done in the beginning. Like Clockwork, a second one just broke a week before...
  20. WJ Grand Cherokee Forum
    Recently, a code scan revealed an O2 sensor issue. P0158 (M) O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) Oxygen sensor input voltage maintained above normal operating range. Not long before this code appeared, I replaced my rear main seal and oil pan. I wondered if an O2 sensor's wiring...
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