Someone help me out here - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 5 (permalink) Old 10-17-2011, 03:30 AM Thread Starter
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Someone help me out here

Can someone please explain to me what the exaust back pressure sensor does. the tube that comes off my manifold up to the sensor is broke but i havent noticed any change in anything so im jw what its funtion is.
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post #2 of 5 (permalink) Old 10-17-2011, 08:11 PM
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Re: Someone help me out here

It tells the truck's computer (PCM) what the exhaust back pressure is so that it can control the operation of the Exhaust Back Pressure Valve (EBPV, the big elctrically controlled, hydraulically actuated butterfly valve on the exhaust exit side of the turbo). The tube runs about $12 or so. You should have a nice exhaust leak from the tube, unless yours happens to be clogged with soot. Cheers!

97 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

SOLD: 94 F350 CC DRW PSD, 5 Speed, 4.10 LS, SBC Con-O, Baldwin Filter, Tymar HPX Hose, 3 DP, Bilsteins, $12 AIC, Coolant Filter, Explorer O/H Console, Trans Temp, Boost, and Pyro, Pedestal Mod, Gutted EBPV
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post #3 of 5 (permalink) Old 10-17-2011, 11:38 PM Thread Starter
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Re: Someone help me out here

I knew it! Thanks man the truck hasnt seemed like its spooling corectly and it isnt as loud as it should be with a straight pipe so i think that stupid butterfly valve isnt opening all the way. it wont hurt anything if i just remove the butterfly and block that port on the manifold where the tube goes will it. Yea i do have a nice exaust leak from it its aggravating i hate that ticking noise.
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post #4 of 5 (permalink) Old 10-18-2011, 12:27 AM
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Re: Someone help me out here

You should be OK doing that. Just leave the sensor hooked up, disconnect the EBPV actuator at the weatherpack connector at the base of the turbo on the driver's side so it doesn't cycle anymore. Cheers!

97 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, Ext Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

SOLD: 94 F350 CC DRW PSD, 5 Speed, 4.10 LS, SBC Con-O, Baldwin Filter, Tymar HPX Hose, 3 DP, Bilsteins, $12 AIC, Coolant Filter, Explorer O/H Console, Trans Temp, Boost, and Pyro, Pedestal Mod, Gutted EBPV
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post #5 of 5 (permalink) Old 10-19-2011, 04:18 AM
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Re: Someone help me out here

There are all sorts of write ups on removing the EBPV if you're looking to free up your exhaust flow.

97 F250 CCSB: 238/100s, 38r w/1.15 housing, SD conversion, 5" exhaust, Stealth pumps, e-fuel, 910 springs, pushrods, headstuds, intercooled, kevlar/ceramic clutch, tuned by Matt, gauges, 4" lift on 37s. D60 and ZF6 next on the list.

97 F250 ECSB: 3" downpipe, chip tunes by Jody, gauges stock height on 35s. SOLD
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