Lack of power - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 02-05-2010, 07:18 PM Thread Starter
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Lack of power

My nephew just bought a truck, he has an issue, and I'm stumped. I did a search, but came up with nothing. (2001 ext cab f350 7.3 4x4)
When the truck starts, she smokes a lil blue, but nothing serious. But if he lets it sit for a few days, when he starts it, it will start a lil rough, idle up. After a normal warm up time, you take off, and she's got nothing. You have to pop it in neutral, hold it to the floor, she'll reluctantly rev up, and once she gets above 2500 she'll pick up and gain to 3g's. once he lets off, throw it into gear and she responds fine. If he drives it everyday, it's not an issue, only when it's been sitting. Any idea on what to look for?

2001 excursion 4x4, 4" Magnaflow SS exhaust, AEM Brute Force intake, 05 conversion, 6k HID's, after market tail lights, and thats it for now. More to come..

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post #2 of 6 Old 02-06-2010, 06:16 PM Thread Starter
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anyone?

2001 excursion 4x4, 4" Magnaflow SS exhaust, AEM Brute Force intake, 05 conversion, 6k HID's, after market tail lights, and thats it for now. More to come..

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post #3 of 6 Old 02-06-2010, 06:26 PM
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Exhaust back pressure valve I bet.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
330,000 + miles
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post #4 of 6 Old 02-07-2010, 09:04 AM Thread Starter
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Quote:
Originally Posted by jesilvas View Post
Exhaust back pressure valve I bet.
Really? I would have thought it was fuel related. EBPV works fine if driven every day. This only happens when she sits for a few days Almost like something fuel related is draining out. I just dunno where to look first.

2001 excursion 4x4, 4" Magnaflow SS exhaust, AEM Brute Force intake, 05 conversion, 6k HID's, after market tail lights, and thats it for now. More to come..

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post #5 of 6 Old 02-07-2010, 11:36 AM
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I would still think that's it. Especially cause it's hard to rev up even in neutral.
Might be fuel too though.



2000 F-350 Lariat Super Duty, Dually, CCLB, 7.3L
4R100, 2wd
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post #6 of 6 Old 02-07-2010, 11:45 AM
shaking things up

 
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it might be the o-rings for the injectors

389.14 HP 726.00 TQ
96 f-350 7.3 with a 5 speed
3 in DP
4 in ex. to 5 in aussies
custom traction bars
TW chip 6 pos
IDM mod
SD IC
HPX
D66
casserly 2's
custom fuel with an AIRDOG 2
910's
*17 TE modded hpop
ebpv gutted
pedestal gutted
gutted ccv elbow
clutch pedal fix

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