cold mourning running issues

99powerstroke73 · #1 (**permalink**) 10-02-2009, 05:05 AM

the past couple days it got from about 30-40 degrees at night. in the mourning i start the truck and go. but when i am cruising at 1200-1750 rpms it looses power,rpms and has a loud whooshing sound. seems to react like a boost leak but only when it is cold. even when i let it warm up it still did it until it got to normal temp Any ideas? thanks

97powerstroker · #2 (**permalink**) 10-02-2009, 05:12 AM

sounds like the ebpv.its a valve that closes in the exhaust system to make the engine work harder so it will warm up faster.

**daveyburt** · #3 (**permalink**) 10-02-2009, 05:39 AM

^^agreed sounds like normal function of the EBPV. It should lessen the more it warms up.

99powerstroke73 · #4 (**permalink**) 10-02-2009, 01:16 PM

OK THANKS FOR THE HELP

85_305 · #5 (**permalink**) 10-08-2009, 10:12 AM

ya its the ebpv. the truck also sound much more like a big rig in terms of sound.. LOUD, slow, and no turbo assistance what so ever lol.

tneibling · #6 (**permalink**) 10-08-2009, 10:23 AM

Mine was doing the same thing couple mornings ago. As i was driving by the dorms on my way to school i got alot of funny looks.

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