Search results

  1. F

    Running hot

    I just replaced the head on my 4.0 and it was running hot, around 235 F. I replaced the following trying to figure it out: Temp sender x4 Waterpump x1 Radiator x1 Thermostat x3 I flushed the block and replaced the hoses. i finally bought a radiator cap with a thermometer in it. It showed...
  2. F

    1 dead cylinder

    My Jeep is a 93 YJ with the 4.0 6 cylinder multiport fuel injected. It has been lacking power. I just checked the compression and #1 was dead. 1 - 0 psi dry/wet 2 - 130 psi dry 3 - 115 psi dry 4 - 130 psi dry 5 - 135 psi dry 6 - 130 psi dry I am not losing coolant, my oil does not have...