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  1. LuckyTJ

    Do I have an intake manifold leak?

    Hoping for some more experienced folks to chime in and confirm what seems to be an intake manifold leak? 2003 TJ with 4.0. Whistles at start-up (in Michigan winter) and starts to quiet down at running temperature. Whistle changes with revs. Sound seems to come from the front of the engine, so I...
  2. LuckyTJ

    TJ upgrades to better tackle Colorado

    So, I’m headed back home tomorrow after three great days of awesome CO trails- Ophir, Imogene, Engineer Pass and more near Ouray... My 2003 TJ with 180,000 miles did great, but I have learned a lot. A few things to address: 1. Brakes- I installed new quality pads a month before, but I maxed...
  3. LuckyTJ

    Potential solution to limp mode

    Let’s say you have a 2003 4 liter automatic TJ that in random occasion falls into limp mode. Sometimes it gives a code like P1698; sometimes no code at all. TCM? Maybe... I have a spare on hand now, but I noticed that the connector to my transmission solenoid pressure switch looks like a badger...