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  1. YJ Wrangler Technical Forum
    Hello everybody my name is David, I have a 1994 YJ Wrangler S, 2.5l 5spd. While driving, my radiator literally exploded. Within a couple of minutes, my Jeep died, and has not restarted. It's been a month after replacing, in order, the crank sensor, tested and cleaned the pick-up coil and...
  2. TJ Wrangler Technical Forum
    01 Jeep Wrangler TJ 4.0L Backstory: I crank my Jeep up and started to hear some hiccups. The CEL is always on because of a small EVAC leak in a hose that seems to never be a major mechanical issue. I checked the codes to confirm misfires in cylinders 3 and 4. I took the Jeep to the mechanic...
  3. Jeep CJ Forum
    No spark on plugs. Need help figuring out what voltages should be on original ignition system. Measuring 12vdc from red wire on coil + to battery ground with ignition on, 10vdc while cranking. If I pull the green- and red+ off the coil and measure across them I get 4vdc with ignition on and 5vdc...
  4. JK Wrangler Technical Forum
    I have a 2011 2dr jk. I did a tune up on it this weekend changing sparking plugs, wires and ignition coil. I double checked all the spark plug gaps, made sure the wires were connected properly to the spark plug and ignition coil and in the right order. Now it idles rough and when i drive and...
  5. YJ Wrangler Technical Forum
    hi, i have been having trouble with my coil not getting power. sometimes its a no start thing but mostly its a driving down the road then i get no spark till i get out and wiggle some wires on my icm. i would like to change it out with a msd coil and would like to delete the icm all together to...
  6. ZJ Grand Cherokee Forum
    We bought this 95 ZJ in 2006, Engine died while driving it in 2011, turned out to be a bad coil. In 2013 same thing happened while driving it, no other symptoms, just like you turned off the key and no restart, coil replaced. Same thing happened in Jan, 2018. Had to be towed and new coil...
  7. Engines & Drivetrain
    I'm no mechanic and this 4 cyl. 2.4 L 2003 wrangler has some ghosts, so it should be a fun project. I just towed it back to Salt Lake from the desert where a small shop and dealer both looked at it shortly without figuring it out. Any input is much appreciated :) Symptoms... 1) Won't start...
  8. Jeep CJ Forum
    I recently bought my 1974 CJ5 304 as a project/hobby to learn how to fix it. I began troubleshooting the wiring due to the engine not turning off when the ignition is turned off. Then I noticed the wiring wasn't correct on the alternator, voltage regulator and solenoid. I've corrected what I...
  9. TJ Wrangler Technical Forum
    I replaced my Ignition Coil rail and o2 sensors about two years ago with a brand called Crown Automotive I purchased from Quadratec. I have since replaced all the O2 sensors again with OEM and I am now receiving code P0351 which from what i have read is a ignition coil issue. I would like to...
  10. XJ Cherokee Technical Forum
    Sorry, I am new to the forum. I followed the instructions for flushing the heater core, Thanks I have heat now! Also replaced the heater control valve for good measure, works great. A couple days later I left for work and I noticed a ticking noise and a miss fire so I went home and popped the...
  11. TJ Wrangler Technical Forum
    I just changed my stock exhaust manifold. I installed a Dorman replacement. The install included new manifold and gasket (intake and exhaust all in one). Bolted everything up exactly how it came off. Tried to start the jeep. It just turns over and over and over. No starting not even trying to...
  12. Jeep CJ Forum
    So my 81 cj7 didn't come with a clock or a tach and I decided to put them in. I bought them both off rockauto.com and got busy. The clock is working great, and that tells me that my red wire from my tach has a good power source. my back light works on the tach and that tells me that my ground is...
  13. Jeep CJ Forum
    I was looking through all the info in the forum about my distributor and the different options for it. I searched the net and found a 4WheelDrive Parts HEI distributor for $99. This is a link to my wishlist 4wheelparts.com Wishlist I was hoping some of the gurus on here could tell me if this...
  14. YJ Wrangler Technical Forum
    I have a 1988 jeep wrangler yj 4.2, 5 speed manuel and yesterday it decided not to start. I already replaced the ignition control module and ignition coil and even the distributer and im still not getting any spark going into the ignition coil. Any suggestions?
  15. ZJ Grand Cherokee Forum
    I have a 1998 Jeep Grand Cherokee (purchased new in 1998) which has roughly 120k miles on it, which is occasionally dying out on me whenever I come up to a light or stop sign. The engine turns over just fine at that point, but keeps turning and doesn’t start. Finally, after several minutes...
  16. XJ Cherokee Technical Forum
    I'm pretty overwhelmed at the amount of stuff I've done to get this car to start, and looked over the formns here for the past few months, so I've decided to join and once I get this thing started post up some tutorial on how to do basic car fixes with my specific model of Jeep Cherokee. So I...
  17. ZJ Grand Cherokee Forum
    I Installed a Eccel coil,42k, now should I re gap plugs wider? I have 7 mm wires everything is new, cap etc, plugs are at 35 right now.
  18. ZJ Grand Cherokee Forum
    Jeep is running good and I want it stay that way. Other stuff is new ,plugs wires etc. Looking at ,MSD, Accel Super, Airtex Wells,or suggestions for other Thanks
  19. KJ Liberty Forum
    Hey jeep family/ cyber mechanics, I have been diagnosing a few current problems with my Liberty. I am throwing an engine code, with the help of some other members I have decided to switch out my spark plugs and start solving the issue from their. Correct me if I am wrong, but this should...
  20. ZJ Grand Cherokee Forum
    Okay so took the GC into the mechanics early this morning for a regular service, nothing to shmansy it was due anyway, was supposed to meet up with this girl i've been trying to get for weeks now but she cancelled last minute, anyway get home and a couple hours later mechanic calls me and tells...
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