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post #1 of 6 Old 11-03-2012, 07:18 AM Thread Starter
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bad egr valve?

My truck has been running pretty bad lately, it has a whiteish/blue smoke and occoasionally (when acceleration) puffs black smoke. It all seems to be intermittant, cant seem to produce the symptoms. Today after fueling up and leaving the station the truck stumbled really bad when accelleration (all the way home, approx 3 miles) and at times smoked out the cars behind me with a whiteish smoke. The truck is throwing the P0405 code which says a problem with the EGR system. Would an egr problem cause the truck to run this way? What else could the problem be?
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post #2 of 6 Old 11-03-2012, 07:30 AM
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Start out simple, pull the EGR valve and see if it needs cleaning.

SCT, no studs...yet, Dual OEM intake air filter housings, Banks intercooler & intake elbow, Banks exhaust system, Windrunner ported intake manifold, Bullet Proof Diesel remote oil cooler & thermostat, AirDog2 (plus a couple spares), Power steering filter (Amsoil dual-bypass), MagTec deep ATF pan, Electric oil pre-lub pump, Dakota Digital gauges.
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post #3 of 6 Old 11-03-2012, 07:42 AM Thread Starter
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Pulled the valve couple weeks ago and didn't look bad...
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post #4 of 6 Old 11-03-2012, 07:46 AM
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stuck or sticking EGR valve can definitely cause these symptoms.

Shawn Carlson
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2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




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post #5 of 6 Old 11-03-2012, 08:39 AM Thread Starter
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Took it out and cleaned, still dust look too bad... Will advise results after driving for a bit
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post #6 of 6 Old 11-03-2012, 05:59 PM
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It could be bad electrically. It's basically a big solenoid, so the internal windings get weak or go bad completely.

Shawn Carlson
EvilEye@powerstroke.org

Proud Navy Vet
2005 F250, CCSB, 6.0 PSD, FX4 (The Sweet Unit is white)
2008 F350, CCLB, 6.4 PSD (Brad-the wife's truck is black)




Engine Mods:
Fluidampr
CCV Reroute (Reinstated)
4" MBRP Exhaust
MTW Stage 1 Turbo
Bulletproof 53V FICM
BulletProof EGR Cooler
BulletProof Water Pump
Riff Raff Intercooler Boots
Gogo Diesel Direct Drive Solenoid
BulletProof All-Aluminum Radiator
BulletProof All-Aluminum Intercooler
BulletProof Oil Cooler System w/ Bypass Filter
SCT w/ Custom Tunes (TSD, DJ's, Innovative, Gearhead, QuickTricks)

Exterior Mods:
Bilstein 5100 Shocks
Icon Adjustable Trac Bar
Firestone RideRite Air Bags
BDS Dual Steering Stabilizer
Aluminum Finned Differential Cover
Reese 16k Manual Slider 5th Wheel Hitch
Icon 2.5" Leveling Kit w/ F-350 rear blocks
20" BMF Novakanes wrapped in 33" Nitto Terra Grapplers
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