i have a 95 4.0 expl. i bought it 3 yrs ago with an external water leak at the head gaskets at 95k so i changed the gaskets and a week and a half later it developed a miss or a stumble under a load. this started while on a cross crountry trip (tx to mich). Once i got to my destination it was -17 degrees and the check engine light would come on for 10 min then go out for 30 min, then quit once it got above 0. I figured something was freezing up. I changed the plug wires and the fuel filter it didn't help my problem. i then drove it back to tx and drove it like this for 2 more yrs, while changing parts when i can. I changed the idle air control valve and the plugs a second time in 20k miles with platnuim. I had thought it was the trans but a trans shop told me that it was in the motor not the trans. i changed the coil pack and just last week the fuel pump quit so i have changed that and the filter again. still the same prob, it has been 45k miles since this has been started and i am ready to pull my hair out. Has anyone had simular problems and how were they fixed???
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