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  1. JJinQC

    How-to fix an ignition key that won't turn (remains locked)

    This is usually caused by sticking key cylinder plunger/s. Since you cannot turn the cylinder, you cannot turn it to "ON" position and therefore cannot remove the cylinder. One trick that I used twice successfully in my 30 years owning a wrangler is this: The strategy is to shake things up in...
  2. JJinQC

    Fuel injection Noid Lights test kit questions

    My TJ 2002 has a 2.5L engine with TBI fuel injection. I want to purchase a Noid Lights test kit. I have seen 6 lights and 8 lights kits covering the following brands: 6 lights kit: GM TBI, BOSCH FPI, Ford TBI, GM PFI, Geo TBI, GM SCPI 8 lights kit: GM TBI, BOSCH FPI, Ford TBI, GM PFI, Geo TBI...
  3. JJinQC

    Clean air deflector orientation?

    In the clean air circuit from air filter box to the air duct going to the throttle body there is a short aluminium tube with one end cut and shaped to create a spin of the air flow. I dropped it while removing the air duct. I would like to know the proper position and orientation of the...
  4. JJinQC

    Gasket for exhaust manifold?

    I must replace the exhaust manifold (cracked) on my TJ 2002. Today I removed the old cracked manifold and noticed that there was no gasket installed for the exhaust manifold. It was metal on metal. Only the intake manifold had a gasket. For installation of the new manifold I have seen a gasket...