Recent content by JeepKJ_Guy

  1. J

    Newbie Libby Owner…REALLY need alot of help pls

    I used NGK plugs gaped at .040 and put in new Denso Ignition coils and fixed mine. Youtube Video about changing plugs/coils: After each plug and coil is replaced then start it up, - don't do all 6 then start it up. Replaced sensors on the throttle body, IAC, TPS, PCV, etc - she runs fine...
  2. J

    So, what coolant to use on 2002 - 2009 KJ Jeep Liberty's and Sports

    The hell with that OEM stuff - been using Prestone since the 60's - Zero problems. Check this out: https://prestone.com/product/prime-all-vehicle/ "Prime antifreeze+coolant (concentrate) is for all vehicles; all makes, models, years & fluid colors. The extended life formula is safe for use...
  3. J

    I've spun bearings on every 3.7 I've owned..

    You have said - "Ran 30W MaxLife blend - Since when do people use the cold-viscosity rating to describe weight?" - Answer - since forever!, - I learned that in the 60's by my Dad how important it was - if it's 30W then its SAE 30W lawnmower oil - it stays 30W all the time, thru any temperature...
  4. J

    What did you do to your jeep today?

    Just a FYI - "Front End Suspension Noise" - Don't have Grease Fittings! I had a growing amount of front end noise when hitting bumps or turning the (L) wheel either way, - power steering fluid was low, filled it, just a little improvement. So I took it to the "geniuses" at Midas and they said...
  5. J

    Covered the Rust

    Wow - the best fix I have seen and will do it on mine - THANKS!!
  6. J

    Coil packs

    Your Welcome!!!!
  7. J

    Coil packs

    I also had many misfires on all the cylinders shown on the scanner, - one plug was so loose I could twist it out by hand, - kept wondering why the ratchet wouldn't click, it was Autolite, plus had different brand plugs for the other cylinders, all outta gap, the coils were original Mopar - after...
  8. J

    Coil packs

    @JeanO-Mac, After replacing the plugs and coil packs together there was real good increase in power, and along with replacing the sensors mentioned above, it really made it run extremely smooth, - has 193k miles on it. Had a master mechanic of 40 yrs remark how good it runs. The Denso coils...
  9. J

    Coil packs

    I used NGK plugs gaped at .040 and put in new Denso Ignition coils and fixed mine, replaced sensors on the throttle body, IAC, TPS, PCV, etc - she runs fine, did this about 9 months ago, for 2003 Sport Liberty V6. Amazon link...
  10. J

    Misfire

    @Muddy, When I bought my 2003 Liberty Sport 3.7 V6 the O2 wires were just hanging unconnected to the O2 sensors, - about 8 months ago. After I got 18 ECM codes down to 3, - now with 2 of them O2 sensors each rail - I replaced all coils and plugs, and TPS, PCV, and many other sensors around the...
  11. J

    Misfire

    @kj.priamo You may want to try this easy way to clean all your injectors easily by this method below: I would pull the fuse to the fuel pump (front fuse box by radiator) - then run Seafoam straight thru, possibly 2 cans. I haven't tried this but will, - back in the early 70's I used to use...
  12. J

    Misfire

    I still would change the coils with Denso coils and use NGK plugs set at .040 just for openers to troubleshooting this issue first, and every coil/plug I replaced I started it up to make sure it ran, you have to start with a good base then tackle the other codes. - I went thru this, and if you...
  13. J

    Misfire

    I had the same and I put in NGK plugs gaped at .040 and put in new Denso Ignition coils and fixed mine - even with bad O2 sensors throwing codes, then resolved most of the 18 ECM codes replacing sensors on the throttle body, TPS, etc - she runs fine, just the O2 sensors are throwing codes...
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