strange problem-intermittent throttle problem - Ford Powerstroke Diesel Forum
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Old 04-15-2007, 11:07 PM
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strange problem-intermittent throttle problem

I have a 2002 f 350 and today while driving along when i let off the throttle and tried to step on it again there was no responce. It was dead, even if i pushed it to the floor, but if i let it up all the way and stepped down again, it would work normally. It also did it in park if I pressed it slowly. any ideas? maybe a pedal assy.? It seems to be getting worse.
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Old 04-22-2007, 10:39 AM
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Sounds like pedal assy to me.
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Old 04-22-2007, 11:23 AM
Jon
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Yeah,

thats actually pretty common. I have replaced atleast a dozen pedal assemblies.
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Old 04-22-2007, 01:06 PM
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thanks, already changed pedal assy.problem solved!
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Old 04-23-2007, 11:43 AM
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Can you guys elaborate more on that?
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Old 04-23-2007, 02:13 PM
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Originally Posted by FasTruckMonkey View Post
Can you guys elaborate more on that?
power stroke engines are controlled by what i call fly by wire setup , no cables or linkages engine controlled by pcm which gets its signal from the tp sensor mounted on accelerator pedal inside , the higher the reading the pcm gets from the tp sensor , the higher the engine revs , the tp sensor can go bad , truck will crank but wont go any where when goes out
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Old 04-23-2007, 02:38 PM
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^^^^^ how hard is it to replace cause mine is going out and i beleive im going replace it soon
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Old 04-23-2007, 04:22 PM
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^^^^^ how hard is it to replace cause mine is going out and i beleive im going replace it soon
very easy , 3 10 mm bolts , unplug , plug back up take you just a minute
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Old 04-23-2007, 05:30 PM
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Hey Scott, can this sensor go partially out?? Or is it a situation where its either good or bad. No in between? Just curious if the first part of the pedal movement can go out and then pick up about a third the way down. Thanks.
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  #10  
Old 04-23-2007, 05:48 PM
Jon
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Yes Shane

It sure can. I actually have 3 assemblies in my tool box that I know will work well enough to get somebody home. However on 2 of them you have to smack them with your foot some times.
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