EBPV problems

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Nov 6, 2007 | 12:26 PM

parkland

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Joined: Jan 2006

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EBPV problems

My exhaust back pressure valve is engaging while driving, and engaging at will, whenever it wants. Only disengages by revving above 1600.

WTF?

Can i remove it?

Nov 6, 2007 | 12:28 PM

rbaker6336

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Joined: Feb 2007

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From: Blairsville,Ga

unplug it at the pedistal

Nov 6, 2007 | 12:39 PM

bigtorque

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Joined: Sep 2006

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From: ARIZONA

whats the temp outside and oil preassure,
both are monitred by the PCM when its below 32 deg. and will close even while driving at low rpms untill oil preassure rises and engine heat builds, then it will disengauge, its a ford preset to help it warm up.

Nov 6, 2007 | 01:08 PM

parkland

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its about -5 outside, but i never noticed it doing this before...

So if it works properly when warmed up, i should let it be?

Nov 10, 2007 | 09:58 PM

powerstrokinsmokin

Senior User

Joined: Sep 2007

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From: altoona wi

To all that want to know, mine was doing the samething, found a hole in the ebpv tube from the manifold to the sensor. replaced tube, all ok

Nov 10, 2007 | 10:22 PM

medhvac

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Joined: Nov 2006

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From: house springs,mo

Quote:

Originally Posted by parkland

its about -5 outside, but i never noticed it doing this before...

So if it works properly when warmed up, i should let it be?

man where do you live -5 your ebpv is controlled buy your oil temp , u could have a blockage in the tube ,but if after the engine warms up and its fine than i think its normal!

Nov 10, 2007 | 11:53 PM

twags6

Cargo Master

Joined: Jan 2001

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From: Slatington, PA

Quote:

Originally Posted by powerstrokinsmokin

To all that want to know, mine was doing the samething, found a hole in the ebpv tube from the manifold to the sensor. replaced tube, all ok

Check this out first. Its normal for it to come on while driving when its that cold out. The oil has to warm up a good amount before it will stop operating. It opens when you rev that high because the EBPS senses a higher back pressure and opens the valve so you dont build up too much pressure and float an exhaust valve.

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Nov 11, 2007 | 12:18 AM

twags6

Cargo Master

Joined: Jan 2001

Posts: 2,726

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From: Slatington, PA

Like bigtorque said, it'll operate until one of the temps is above the specs. For the outside temp, its 32 and for the oil temp its 131. It takes a while to get all that oil warmed up that much, but as it gets warmer, the amount the valve closes will be less, so less lag.