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  #1  
Old 02-16-2009, 04:48 PM
99 SuperDuty
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Question 7.3L turbo engine loses power/RPM's

When holding at steady RPM's either driving or running in park (doesnt matter) it sounds like the engine is releasing air. When it does the engine loses power and the rpm's fall. If I accelerate it goes away until the rpm's hold steady again. Any ideas? ? ? ?
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  #2  
Old 02-16-2009, 04:57 PM
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Re: 7.3L turbo engine loses power/RPM's

My 96 Powerstroke has the same problem, at lower RPMs (1500 range)when motor is cold, while holding the same throttle position. Push harder and it will speed up and be fine. Can hear the same air sucking noise. Any Suggestions?
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Old 02-16-2009, 05:07 PM
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Re: 7.3L turbo engine loses power/RPM's

only when cold i'd say the ebp valve is closing in wich case it would be a normal condition


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Old 02-16-2009, 05:08 PM
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Re: 7.3L turbo engine loses power/RPM's

EBPV sounds about right...
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Old 02-16-2009, 05:26 PM
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Re: 7.3L turbo engine loses power/RPM's

Where is the EBPV located and should anything be done to fix this annoying problem?
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Old 02-16-2009, 05:34 PM
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Re: 7.3L turbo engine loses power/RPM's

my 99 doesnt do it cold. It will do it all the time. It is very annoying. It seems to be stealing power form the truck.
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Old 02-27-2009, 01:25 AM
7.3fordman
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Re: 7.3L turbo engine loses power/RPM's

Is it a possibility that it could be the wastegate??? Someone heard my truck and said that was what it sounded like
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Old 02-27-2009, 02:22 AM
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Re: 7.3L turbo engine loses power/RPM's

Yep its the EBPV... My 96 did the same thing when I drive it took the power from my truck so I just unlpuged it..
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