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Old 01-26-2010, 04:15 PM
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towing limp mode

last weekend was pulling a 7000 lbs boat down the highway and at 55mph it wouldnt accelerate anymore. wrench light came on so i pulled over and shut it off. underneath there was a small amount of tranny fluid on the ground. waited 15 minutes started back up and pulled it home under 55. any ideas of what went wrong. wrench light is off now and it runs fine but am sceptical to pull until i diagnose what went wrong.
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Old 01-26-2010, 04:20 PM
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Need some info on your truck first. What year, engine, and trans type (auto / manual)?
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Old 01-26-2010, 04:28 PM
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2005 f250, 6.0, automatic, 102000 miles. pulled great from 0-50mph but once over that wouldnt let me get above it.
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Old 01-27-2010, 06:14 AM
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Any ideas of what could have caused this??
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Old 06-26-2010, 12:27 PM
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Did you ever figure out what it was? Mine did the same thing last weekend. My first highway tow with my rig.

I want to do another 200 mile tow this week coming up, not sure if I should?
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Old 06-26-2010, 04:06 PM
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towing limp mode

It didnt happen again after that however i still wanted to figure out what it was. I got a variety of possibilities. I talked to one diesel mechanic at work and he said to try and get the tranny flushed and see if it improves and another said it could be my torque converter. I had them check it out and neither seemed to be the problem. I have been keeping a close eye on it though. Havent had any problems since. I hooked up a diagnostic when the light came on but never showed a code. Let me know if any of those possibilities cure the problem for you.
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Old 07-05-2011, 03:53 AM
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I'm having the same problem!
2006 F-350 96,000 mi.
Any known causes and fixes?
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Old 07-05-2011, 06:19 AM
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Watch your tranny temp, oil temp and coolant temp. Those are the likely scenarios that would cause a defuel situation.
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Old 07-05-2011, 05:56 PM
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Changed the tranny fluid and filters.
The front filter was FILTHY!
Could not get the "limp mode" to kick in tonite, 95mph uphill.
I'm gonna hook up my 5th. wheel tomorrow and push the crap out of it.
Wish me luck!
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Old 07-05-2011, 06:07 PM
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Quote:
Originally Posted by Evil Eye View Post
Watch your tranny temp, oil temp and coolant temp. Those are the likely scenarios that would cause a defuel situation.
what is a "defuel" situation?
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2006 f-350, stock

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