Struggled to get to 60 mph on the highway???? - Ford Powerstroke Diesel Forum
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Old 01-22-2014, 07:21 AM
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Struggled to get to 60 mph on the highway????

So this morning I had to drive my 2001 about 10 miles on the highway to snowblow a house out of town. It was about 4 degrees out but the truck was warmed up. When i got on the highway I reached about 35 mph until i hit a slight incline and then the tranny wouldnt shift, the rpms dropped to 1500 and wouldnt go back up at all, and the truck was losing speed going up this small incline. It got to the point where I was damn near flooring it and still the same things was happening. Finally after more than a minute of this going on the rpms shot up from 1500 to 2500 within a second and the tranny shifted and the truck was driving domewhat normal but struggling to get past 60 mph still. Then on the way home it happend on flat ground! It almost sounded like the truck wasnt getting enough fuel or something. My old 2002 7.3 would do the same thing sometimes even when it had a chip in too. This truck I have now is bone stock at the moment. Any ideas?
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Old 01-22-2014, 10:58 AM
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was the ebpv closed and not opening?

did you notice a hissing sound from the exhaust?
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Old 01-22-2014, 02:05 PM
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Every once in a while when its really cold i get the hissing sound and it feels like something is clogged which causes a loss of power for a little but then it opens up. Im guessing this is the ebpv sticking... But this wasnt happening on the highway this morning. But since you brought it up should i disconnect the solenoid for the ebpv? Or will it affect warm up time in the cold?
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Old 01-22-2014, 02:53 PM
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just unplug it to see if thats the cause.

can always plug it back in if thats not the issue
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Old 01-22-2014, 03:49 PM
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Do you have any other ideas as to why it would have somuch trouble on the highway? Because like i said my old 2002 would do the same thing year round and i unplugged the ebpv the first winter I had the truck so that couldn't have been the problem with that truck
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Old 01-22-2014, 06:48 PM
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its hard to guess without any way of monitoring the truck.

could be having issues with the icp, ipr.

or possibly clogged in-tank screens and clogged fuel filter.
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