exhaust issue? - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 12-31-2011, 05:56 AM Thread Starter
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exhaust issue?

I have a 99 F-250 extended cab with suicide doors. On cold mornings I hear a pulsating, sucking sound that is best discribed as an exhaust leak from under neath the passenger side rear seat. The RPMs drop as the sound occurs and then return as it ceases. The pattern continues until the engine gets warm. 2 dealers here in central GA are clueless on it
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post #2 of 2 Old 12-31-2011, 09:27 AM
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Totally normal. It's your EBPV.

Winter Operation, Hard Starting, Hissing Sound Etc...

2000/2006ish Ford F-250 Larryette 7.3 Powerstroke 4x4
5" Sewer Pipe Exhaust (video clip), DIY 6637 Intake, Wicked Wheel'd, De-foiled, Missing EBPV, Edge Juice with Attitude, Few leaves added here and there, 35" BFGs, 16x10 Eagle Alloys, Alpine W200

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