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Old 02-18-2009, 15:30   #1 (permalink)
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2002 F-350 7.3 will not start..

Im having a problem with my truck, and I cant get the thing to start. Its got brand new CAT injectors in it. Ive replaced the high pressure oil pump, the regular oil pump, cam sensor and the list goes on and on. Ive had it plugged in to a computer and everything seems to be ok. Ive buzzed all the injectors and they seem alright. I have no idea why this thing wont crank.

With a little squirt of starter fluid it will crank and run if i hold my foot on the gas and keep it about 1100-1500 RPM's but as soon as it gets to about 900-1000 RPMs it dies and will not crank again with out starter fluid.

If anyone has any ideas please help me out :) I would love to get this beast going again.

Thanks!
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Old 02-19-2009, 11:37   #2 (permalink)
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Re: 2002 F-350 7.3 will not start..

Sounds like an idle air control sensor (IAC). I know they're on the gas engines, but I'd see if there's one on the 7.3L. If so, it's probably your culprit.
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