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  1. M

    KOEO test

    Having trouble with my 94 4.0 . Idles rough (when it runs) and when I ran codes recently I got 114, 116, 335, 715 and 815. The first two I believe are because the engine was cold ( won't start). But I have replaced the plugs, wires, coil pack, Crankshaft position sensor and tested the ignition...
  2. M

    Compression issues

    I have a 94 XLT and just did cylinder compression checks as follows #1-135, #2 -145, #3- 160, #4-150, #5-180, #6-190 . Where do I proceed from there? Engine has 265,000 on it and ran great till it started running like crap off and on then died.
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