99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
My brother has a 2001 7.3 and at 1200 rpm it makes a sucking sound. You can really hear it at the tail pipe. It is inconsistent and sometimes surges a little. Could this be the back pressure valve or something else.
I am posting because he does not have an account and won't create one for sw reason
Passed down to my step son: 2006 F-250 Lariat 6.0L Crew Cab, Black w/ Chrome package, Chrome bug guard and door latches
18" stock wheels, Nitto Tera Grappler, 4" Turbo Back MBRP, AccuFab Power Elbo, Edge Insight Monitor, Tinted Windows, Rhino Liner, Husky Floor Mats, B&W Turnover, Air Horn, ZooDad mod, Recon's all around
Passed down to my step son: 2006 F-250 Lariat 6.0L Crew Cab, Black w/ Chrome package, Chrome bug guard and door latches
18" stock wheels, Nitto Tera Grappler, 4" Turbo Back MBRP, AccuFab Power Elbo, Edge Insight Monitor, Tinted Windows, Rhino Liner, Husky Floor Mats, B&W Turnover, Air Horn, ZooDad mod, Recon's all around
The EBPV is for warming the truck quicker. It should only kick in with out throttle. If it is kicking in and out as you drive there may be a problem. If it is doing this when warm there is a problem. Mine is now looking at 20-30 degree mornings and is real slow on take off as the motor compensates for the EBPV. It only takes a minute or two of driving and it goes to normal. When the EBPV is closing the idle should also rise to about 1200 rpm.
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1986 Suzuki Samurai with VW 1.6TD 30 MPG on 30 inch tires
Early 1986 (1985) F250 Supercab stock 6.9 bought with 70,000 miles in 2008. Stock skinny wheels and stock 3:55 limited slip axles. Rebuilt trans with E40D first and second gears. SOLD
1999 F350 Dually 6spd manual trans. Banks exhaust, Modded impellor and Big Head Waste gate, DP TUNER flashed PCM, Full Force Diesel Single Staged Injectors. EBPV mod for exhaust brakes. Hutch Mod to gas tank. SOLD/TRADED
2001 Excursion Limited Auto trans many buttons I still am finding. Factory 3 inch lift low mileage. 100% stock today we will see what tomorrow brings.
When the truck is at idle you can move the connecting rod and the sound and load of the engine does not change so does this mean that the valve is stuck. I keep thinking that this sucking noise is from the EBPV. Maybe it is something else
Passed down to my step son: 2006 F-250 Lariat 6.0L Crew Cab, Black w/ Chrome package, Chrome bug guard and door latches
18" stock wheels, Nitto Tera Grappler, 4" Turbo Back MBRP, AccuFab Power Elbo, Edge Insight Monitor, Tinted Windows, Rhino Liner, Husky Floor Mats, B&W Turnover, Air Horn, ZooDad mod, Recon's all around
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2012 F-250 Lariat 6.7L Crew Cab, Ingot Silver 
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