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Old 12-30-2008, 00:02   #1 (permalink)
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Need Help!!!!

Ok i need help...last friday i was driving in to work and my truck just didnt want to go. it took me 1/8 tank of gas to get 15 mil. on my way home i had to be pulled up the hill to get to my house. i have a 91 f-350 with a 460 EFI. i bought a chilton and a haynes manual to try and help me. i did the "jump" test to get the codes off the eec. I got a 14 pip circuit failure, 31pfe,evp,or evr circuit below min voltage, 32 evp volt below closed limits, 33 egr valve opening not detected and 34 evp volt above closed limits. when i got my truck back to my house it idled bad and anytime you moved the throt to would stall out. i changed the plugs, wires, hole distributor, fuel filter, coil, TPS and the ICM. i also did checks on the egr up to the point of putting vacum on it. it checked good. i also did a fuel presh test running and not running and its good. i shot the abv check and cleaned it. i didnt know how to check the MAP sensor so that is the one thing i didnt check yet. needles to say after all this its not starting any more. it stoped starting after i chenged the plugs. Im lost and need help....after a week of working on this thing in my drive way in -10deg wether up in alaska and useing my kids sled as a creeper i have about given up. help...anyone im running out of money
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Old 12-31-2008, 03:56   #2 (permalink)
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Re: Need Help!!!!

Is it turning over fine? Or seem to be 'under a load'? Still have fuel pressure? Got spark? Check oil to see if there is gas in it. If so, check fuel pressure regulator for leaking.
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Old 01-01-2009, 13:14   #3 (permalink)
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Re: Need Help!!!!

The answer is cut your catalytic converter off. Thanks for all the help.
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