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  1. flashing check engine light

    See attach from pp 137 of the 21' Gladiator Operator's Manual. It's always a good idea to refer to the manual for all manner of information regarding your platform! Regardless, the mistake I make is to communicate to you, the OP, in the manner of an automotive technician directly to...
  2. flashing check engine light

    " or glitchy data". We refer to strings of network U's as "it's trying to launch the missiles!" However, a flashing MIL is nested at high-priority with IM240, and should be addressed quickly, regardless.
  3. flashing check engine light

    " In tech-speak, one or more specific cylinders are being detected as performing outside of IM spec; it could be ignition, fuel, engine mechanical, or glitchy data, among others. "
  4. flashing check engine light

    A flashing MIL indicates that powertrain has detected an active misfire. In tech-speak, one or more specific cylinders are being detected as performing outside of IM spec; it could be ignition, fuel, engine mechanical, or glitchy data, among others. Might be worth your time to scan it yourself...
  5. 37's and MPG

    Gas, about 14 average. Diesel about 21.5.
  6. Long trip MPG on 22 eco-diesel

    Great to see. They are impressive rigs.
  7. Are You Thinking About Cashing in on an EV

    Short-run, no. Long-run, not likely until sufficient life-cycle cost feedback is generated.
  8. Gladiator 2020 Towing 6500 pound RV trailer?

    It scales at 6100 for an average trip, tongue about 550 with two adults. It is the same model that is shown in Gladiator literature (and this website banner occasionally), being pulled by an Overland.
  9. Ecodiesel power derating as temps rise?

    This is great news. Excellent work and information for EcoD owners!
  10. 3.0 starter dragging

    Devil's advocate, if the tech could not verify the problem, there's not much to go on for him. However, comma, guided diagnostics of the cranking circuit would be physically checking connections, battery test (you've done), then performing voltage drops along the circuit to isolate a potential...
  11. Transmission not getting to temperature

    The transmission utilizes a thermostatic bypass valve mounted in series with the transmission cooler lines. It is possible that it has stuck open or partially open.
  12. Gladiator 2020 Towing 6500 pound RV trailer?

    This is the 20' Max Tow with the 28' Airstream. The 3.6 is what I consider the "5.2 (318) Magnum" of the current era; capable, strong, reliable, and sufficient. When gearing is matched with designed ground speed, then the powertrain can take full advantage of transmission gear spacing. With...
  13. Diesel mpg

    19 urban, 23 highway, 17.2 average pulling the 28' Airstream. 4.56 gearing.
  14. The Joy of Buying Used

    I read the post as "The Joy of BEING Used", and I'm like "well there was that gal from Cleveland...." Indeed, the 73' J4600 was bought used, with no regrets.
  15. Has anyone seen these codes?

    The MIL's and your description point towards a possible lack of pressurized air in the induction circuit. Whether it is related to a leak or otherwise related to circumstance, would require some in-depth diagnosis. The good news is the MIL's are, or could be related to one malfunction, which...
  16. Dealer will not honor warranty wants to change my transmission without submitting for warranty

    Get all of what the shop said, IRT the diagnosis and proposed repair in printout. If you have less confidence in their prognosis, escalate to the Customer Resource Center "Jeep Cares"; generate a case for tracking purposes, and suggest a second shop/dealer take a look. Should you wan to spring...
  17. Ecodiesel on 40’s: is 4.88 regear too much

    4 88 would be suitable for that tire/wheel combination.
  18. Coolant filter

    The early-gen 6.0 IH engines had sand issues, which ultimately escalated several "weak links", resulting in catastrophic engine failure (although it isn't clearly understood the extent or consistent root-failure). Larger medium and heavy powertrains utilize a coolant filtration system that...
  19. Rubicon Lockers Sensor Gone Bad. Repair or Replace

    If you wish. The two-piece floating ring/coil assembly is where the actual pole piece, or magnetic "block", is located. I'm sure there's tons of pics of it, where its located kind-of on the upper 1/4 of the actuator itself. Oh, and don't be fooled; you'll take the final cover screw out and be...




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