EBPV Noise? - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 11-27-2012, 07:51 PM Thread Starter
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EBPV Noise?

This is my first winter owning a diesel, and we got down below freezing up here. On my way to work, I noticed during accelerating and cruising that the sound of the motor would change, and the engine speed would drop down. It would go away if I accelerated harder. On the way home it drove like normal.

I don't have a full exhaust done yet (it's stock) but I could hear it sound different through my cold air intake.

Here is a video of me driving.

From other videos i've watched, EBPV noise sounds like a high pitched hissing noise through the tailpipe, and happens at idle too. Mine wasn't happening at idle, but from 1200-1800 rpm it seemed.

Could this also be symptoms of a failing Cam Position Sensor? I've got one in the glovebox...
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post #2 of 4 Old 11-27-2012, 08:55 PM
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whats the thunk thunk sound? is that it?

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post #3 of 4 Old 11-27-2012, 10:21 PM Thread Starter
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From 0:04 sec to 0:08 sec, and 0:42 to 0:50, and 1:13 for a couple secs, then 1:24 for a couple secs

Sorta sounds like a 30 gal air compressor. I give it steady throttle on a flat road, and it comes and goes. It's not from the defrost cycling.

The thunk noise I think you might have heard at 0:26 would be my worn out stiff suspension.

It hasn't done it since, and this morning was cold too (just at freezing, not below).
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post #4 of 4 Old 11-28-2012, 02:30 AM
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The ebpv will go on and off until the engine is up to temperature. It don't care if your idling or going down the road.

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96 f250 eclb 4x4 rosewood stage 1 injectors, bully dog 6 position chip, 6637 air filter, idm mod
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