97 powerstroke power loss?? - Ford Powerstroke Diesel Forum
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Old 01-16-2012, 04:30 PM
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97 powerstroke power loss??

hey i have a 97 f250 powerstroke and sometimes when i rev it up to like 2k rpm's the rpm's just drop as if the turbo is losing its boost? cud it be doing that because of the freezing temperatures? any help would be appreciated thank you.
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Old 01-16-2012, 04:34 PM
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Does it do it when the motor is still cold?
So are you revving it up sitting still in P or while driving?
Kind of a vague description.
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Old 01-16-2012, 05:39 PM
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it does it in park sometimes and while im driving sometimes. while the engine is warm. it sounds as if the turbo is just losing the boost
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Old 01-16-2012, 05:41 PM
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What is the boost actually doing?
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Old 01-16-2012, 06:41 PM
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it sounds like the turbo is blowing the boost somewhere. it sounds like wind and my rpms just drop
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Old 01-16-2012, 06:43 PM
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Well either the EBPV is closing or . . . idk. Usually a boost leak isn't temporary. unplug the EBPV and see if it stops.
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Old 01-17-2012, 07:14 AM
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yeah that's your ebpv closing, pretty noirmal. Eventually it doesn't do it once the truck gets good and warm or if it's already warm outside?
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Old 01-17-2012, 05:24 PM
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what does a ebpv valve look like? and shud i unplug it in cold weather and plug it back in during the warm weather?
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Old 01-17-2012, 06:36 PM
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Search and you shall find.
It's meant to help warm up the engine in cold operation. But most unplug it and gut it and never notice a difference.
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Old 01-17-2012, 07:58 PM
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ok thanks a bunch
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