engine trouble

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VINNYMAC89
  • MEMBER
  • 1 POST
i have a 1992 Ford F150 the motor runs but the number 2 and 5 cylinders do not fire correctly it has brand new rotor, cap, wires, spark plugs the history of the truck the problem came about from a ground for the fuel pumps and whatever else it was for disconnected and i think it shorted something out I'm not real sure so if you could help me that would be awsome[img:8ac05b1a30]http://www.2carpros.com/forum/automotive_pictures/99010_Picture_25_1.jpg[/img:8ac05b1a30]
Sep 9, 2007 at 3:15 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Do a compression check on 2/5-if its a MPFI investigate the injectors on 2/5-the outcome of the compression check should point you the direction to proceed-rings/valves/camshaft/lifters
Sep 9, 2007 at 7:56 PM
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