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| 7.3L PowerStroke Power & Performance Discussion of Power and Performance upgrades for the 7.3L PowerStroke Diesel & Drivetrain |
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01-06-2012, 06:05 PM
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#1 |
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SDD Junior Member
Join Date: Jan 2012
Location: N. Tazewell Va
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waste gate not operating during warm up
Hey I am new here and I am needing some help my 2000 SD 7.3 during warm up cycle the engin is reving up to faster idle but the waste gate is not opening up to help it warm up. I have replaced the cold air senser in the air box what should I do next.
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01-06-2012, 06:53 PM
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#2 | |
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SDD Senior Member
Join Date: Apr 2005
Location: CenCal
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Quote:
OBTW... WELCOME to the Site 
__________________
2K, F-350, 7.3L, DRW, XLT, XCAB, 3:73s, 6spd... LUK clutch, Adrenaline Hpop, 175/146cc Single Shots w/DP tunes to match, AIS w/Fender sleeve, Zoodad (kinda), Comp/whl, upgraded W/gate actuator, BPRV, EBPV wired as a X-brake, AIH delete, 6.0 Inter-cooler, upgraded I/C Tubes, Full 4" exhst, Aeroturbin, MagnaFlow, Heater core bypass, 203* thermo, Gold coolant w/filter, HPX mod, Raycor 3550 CCV (Mod'd), Premo by-pass oil refiner, 4 gauge "A" pillar pod, FPR shimmed @ 70 psi, 160 amp Alt, Fuel pump inlet QD fitting delete w/Dahl pre pump filter, all Tank & fill hose mods. Frozen Rotor Brake assemblies X4. Viair 20008 OBA, Mag-Hytec Dif cover, Centramatic's, Bilsteins, Ride-Rites, 960cca AGM Batts, all lights LED's. TTMs/C-Beters, Garmin 465T GPS, Door seal Mod,(((XM))), Pull a 32ft Montana 5r, LED'd. Greasable Dexter spring sets. Air Ride Hitch pin box. Last edited by BIG JOE; 01-06-2012 at 07:05 PM. |
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01-07-2012, 04:56 PM
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#3 |
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SDD Junior Member
Join Date: Jan 2012
Location: N. Tazewell Va
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Thanks for the welcome Joe,
If it not my waste gate then what opens up and allows what sounds like air pressure going through the exhaust and when you give the truck fuel you hear a chirp like valve or gate closing and when you let up off the fuel it opens and allows the air pressure sound again, this happens during the warm up cycle only. |
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01-07-2012, 05:56 PM
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#4 | |
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SDD Senior Member
Join Date: Apr 2005
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Quote:
During a PCM controlled Cold Start cycle, the EBPV (Exhaust Back Pressure Valve) activates and restricts (not closes) the exhaust flow to the turbo.. this action causes the Heads to warm up faster..for faster, better combustion, so we don't polute the air with unburnt fuel particals. Thats part of what you are hearing and feeling, perfomance wise. There are a coupla other EPA driven things that make for a faster warm up.. that contribute to the sounds we may here.. on a Cold Start. Joe
__________________
2K, F-350, 7.3L, DRW, XLT, XCAB, 3:73s, 6spd... LUK clutch, Adrenaline Hpop, 175/146cc Single Shots w/DP tunes to match, AIS w/Fender sleeve, Zoodad (kinda), Comp/whl, upgraded W/gate actuator, BPRV, EBPV wired as a X-brake, AIH delete, 6.0 Inter-cooler, upgraded I/C Tubes, Full 4" exhst, Aeroturbin, MagnaFlow, Heater core bypass, 203* thermo, Gold coolant w/filter, HPX mod, Raycor 3550 CCV (Mod'd), Premo by-pass oil refiner, 4 gauge "A" pillar pod, FPR shimmed @ 70 psi, 160 amp Alt, Fuel pump inlet QD fitting delete w/Dahl pre pump filter, all Tank & fill hose mods. Frozen Rotor Brake assemblies X4. Viair 20008 OBA, Mag-Hytec Dif cover, Centramatic's, Bilsteins, Ride-Rites, 960cca AGM Batts, all lights LED's. TTMs/C-Beters, Garmin 465T GPS, Door seal Mod,(((XM))), Pull a 32ft Montana 5r, LED'd. Greasable Dexter spring sets. Air Ride Hitch pin box. Last edited by BIG JOE; 01-07-2012 at 06:01 PM. |
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01-07-2012, 09:42 PM
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#5 | |
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This is FORD Country
Join Date: Apr 2010
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1999 Ford F250 Superduty 4x4 sb ext cab 7.3L DIY Intake-MBRP 4" turbo back smokers kit with dual 6" Miter stacks-Autometer UltraLite Triple pillar gauge KMC HPX SS Crossover Line-Shimmed FPR 74-75psi AIH delete-ZooDad Mod-08 rear diff cover-Harpoon mod-Hutch mod-Recon LED smoked cab lights Bed liner on bottom 1/4 of truck-Fumoto drain valve 275k and counting!   
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01-08-2012, 09:32 AM
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#6 |
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SDD Junior Member
Join Date: Jan 2012
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Joe , if the EBpv is not working what wood be the problem, and if this valve doesn't work it wood probably to excessive blue smoke on cold start ups correct.
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01-08-2012, 10:00 AM
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#7 | |
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SDD Senior Member
Join Date: Apr 2005
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I would suggest you get yer 7.3 Scanned, for any Codes present. Smoke issues can be a Number of things.... but IMO.. Not the EBPV. Last edited by BIG JOE; 01-08-2012 at 10:16 AM. |
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