My truck is possessed!!! - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 01-02-2012, 05:27 PM Thread Starter Fanatic
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My truck is possessed!!!

Recently I have been having some wierd issues. It does not do it all the time but seems to be more frequent in cold weather. While my truck is idling it will rev up to about 1600 rpm's all on its own and then back down to idle speed. Just like you hit the accelerater and let off really fast. It will also rev up when I change from park to reverse, reverse to drive and drive to park. Like I said above, it does not do it all the time. Its really annoying!! i have people looking at me funny when I pull into the parking lot at work. They think I'm showboating or something by revving the motor before I get out.
The first time this happened, I thought that someone was trying to steal my truck. I was getting ready for work on the midnight shift and was warming the truck up. I walked back inside the house while the truck was warming up and I heard it rev up. Then about 30 seconds later it did it again. I walked outside, fully expecting to see someone in the drivers seat. When I opened the door it revved up again and kinda scared the **** outta me. Then I realised that nobody was in there.

If anyone has any input about this I would appreciate it!! I'm sure its just some sort of idle sensor or something.

BTW, I have a dpf delete with an SCT extreme tuner. It is currently running the 210 tow tune.


08 4X4 Harley Davidson Edition
4 Inch Lift
35" Hankook A/T Tires
18" A/E Chrome Wheels
Westin Polished Running Boards W/ LED
5% Tint
Bullydog Cold Air Intake
SCT Livewire Extreme, KEM Tune
4" DPF/Cat Delete
Pair of Kicker Comp. 10's behind the seat.

Soon to come:
Smoked Tail Lights
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post #2 of 4 Old 01-03-2012, 11:57 AM
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Whoa! No productive advice for you, but keep us posted on whatever you find.



2008 F-250 6.4L PSD, SC, short bed, 4x4 auto, Toreador red. Huntsville motor, all stock except for Injen/Amsoil intake.
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post #3 of 4 Old 03-24-2012, 01:23 PM Fanatic
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my throttle sometimes sticks at around 1200 rpm when its in drive but only when its cold outside

08 f250 cclb king ranch hs mini maxx, snb stage 2 intake, 4 inch dp back exhaust 72 gallon fueltank with toolbox in the back
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post #4 of 4 Old 03-24-2012, 07:50 PM
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I think it's something to do with the tune. Someone else had a similar problem and when they returned it to stock it stopped doing it. Don't quote me but I think it was a kem tune as well

01/07 Job 1 F350 H&S Tuned. ARP Studs, AFE 4'' straight pipe, EGR delete with elbow, AFE stage 2 CAI, 6'' lift on 37s, 20x12 Fuel Nuts two piece, Sinister coolant filter, CCV Mod, Projector headlights HID kit
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