Acceleration zero - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 08-26-2012, 10:49 AM Thread Starter
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Acceleration zero

I experienced this when shifting into 4wd low fro 2wd-the engine instruments all died, truck still runs, will crank, but I only have idle thrust in both drive and reverse. The throttle will not give engine acceleration past idle (no responce from throttle petal) can not get any acceleration from the engine now. I am thinking a short in the 4wd, an eec relay, or some fuses. Anyone? Please help as I am 5 hours away from my home town. Thanks
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post #2 of 9 Old 08-26-2012, 11:02 AM
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But it works fine in 2x4? what about 4hi?

1996 F350 4x4 CCLB-- I'll miss her

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There u go Tom. John may not be sexy, but he can tutor you, lol.
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post #3 of 9 Old 08-26-2012, 11:31 AM
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You don't say what year the truck is (Always Important) but, here's what I'd be looking at first (the OD sw wire)...

https://b7445ba3-a-62cb3a1a-s-sites....attredirects=0
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post #4 of 9 Old 08-26-2012, 11:41 AM Thread Starter
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Thanks for your reply. It does not work in any setting, 4x4low or high or 2x4-only an idle power connection to the drivetrain with no accelerator responce. In other words it wll start and idle and I can engage the auto transmission in drive or reverse and get a little movement on flat surfaces, but it is not enought to go up hill when it runs out of momenteum.
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post #5 of 9 Old 08-26-2012, 11:56 AM Thread Starter
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Thank you for the reply, it is a 2002 F350 7.3 liter diesel super duty with auto trans. What is and OD sw wire? Thanks again. Mark
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post #6 of 9 Old 08-26-2012, 12:06 PM
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I would be looking at what was previously posted and the TPS

1996 F350 4x4 CCLB-- I'll miss her

1996 F350 4X4 RCLB zf5 213K
6637
OBA w/horn
DE 5"
PHP tunes
Mud Country 315/75/16

2008 Wr250X

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Originally Posted by belz View Post
There u go Tom. John may not be sexy, but he can tutor you, lol.
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post #7 of 9 Old 08-26-2012, 12:16 PM
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Thank you for the reply, it is a 2002 F350 7.3 liter diesel super duty with auto trans. What is and OD sw wire? Thanks again. Mark
Did you follow that link? All the answers are there

Check fuse #45 and, if blown replace it. That alone might get you home but, it's going to happen again if you don't repair the OverDrive button wire...
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post #8 of 9 Old 08-26-2012, 02:01 PM Thread Starter
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Thanks again, I will try it all. Mark
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post #9 of 9 Old 08-26-2012, 02:30 PM Thread Starter
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Thank you so much for your link to the shifter wire. I bet this is the issue since the event coinsided with me slamming the shifter into park on a steep hill (possible causing the chaffing)when I was trying to quickly get out of the the truck to open a gate. I then noticed it when I selected the 4w to high. Mark
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