Throttle pedal problems... - Ford Powerstroke Diesel Forum
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Old 08-24-2013, 03:53 PM
KS_ KS_ is offline
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Throttle pedal problems...

Okay, so I have had this problem for a while and I have became so used to it I almost forgot about it. When I go to push in the throttle it has a good bit of play in it. It instantly revs up to 1100 RPM. This doesn't seem right to me. My dad has the same year but a dually. No play whatsoever so I feel like I have a problem. He seems to think its the Cam Sensor but I think its the TPS, anyone have any suggestions? I had it throw a code one time where it completely wouldn't go anywhere when I pushed in the throttle and I had to turn it off to fix it and it shot a TPS code.. haven't had a problem since though after I turned it back on.
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Old 08-24-2013, 08:20 PM
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Sounds like the idle switch on the pedal. Not closing soon enough as you press the pedal.
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Old 08-25-2013, 12:13 AM
KS_ KS_ is offline
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It also doesn't click like other obs's ive drove. Idk if that will help but I forgot to include that. So hopefully we can narrow it down to at least that one thing..
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Old 08-25-2013, 07:47 AM
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If you look at the pedal assembly, there will be two electrical connections to it. One is for the TPS (3-wire connection) and the Idle Validation Switch (2-wire connection). The IVS should be open at idle and close just off the idle position. You can check it with the IVS disconnected and a meter. Cheers!
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Old 08-25-2013, 09:28 AM
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It almost just seems to be that it didn't click until you push in the pedal about a half inch. When I look under and push with my hand it doesn't hit that little wire looking piece until that half inch

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Old 08-25-2013, 01:24 PM
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On mine, the IVS "button" is in contact with the metal tab off the pedal arm at idle. I actually hear the click at roughly the "1/2 inch" depression point. I would use a meter to make sure it is open at idle and actually closes. The TPS resistances should change smoothly when the pedal is depressed as well. Cheers!
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