P0405/ p0404
Elder User
Joined: Apr 2013
Posts: 941
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From: Bothell, WA
Would a malfunctioning EGR cause stumbling, or a shutter while under heavy throttle? I was getting p0404, got a used EGR valve, cleared the codes, and they haven't come back (not a lot of miles yet) but now I get this shutter at freeway speed, when I put my foot into it. Sort of feels like it running out of fuel, but if i pull back on the go peddle, it goes away. It puffed a small amount of black smoke at the same time. Hadn't noticed it before.
Elder User
Joined: Jul 2012
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From: tonopah, az
weather was perfect here today...only 76 ish for a high. I really enjoyed it driving over to BPD to pick up some bling bling..lol at the pickles thing. Man i really gotta learn how to do the quote thingy
Lead Driver
Joined: Sep 2012
Posts: 7,830
Likes: 96
From: Manteca,Ca
Would a malfunctioning EGR cause stumbling, or a shutter while under heavy throttle? I was getting p0404, got a used EGR valve, cleared the codes, and they haven't come back (not a lot of miles yet) but now I get this shutter at freeway speed, when I put my foot into it. Sort of feels like it running out of fuel, but if i pull back on the go peddle, it goes away. It puffed a small amount of black smoke at the same time. Hadn't noticed it before.
EGR DC
EGR VP
EGR D
Don't count the Turbo out it will do the same
MAP
EBP
BARO
on cold soak should be with in 5 psi
Elder User
Joined: Apr 2013
Posts: 941
Likes: 0
From: Bothell, WA
So that is a yes? Lol
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Elder User
Joined: Jul 2012
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From: tonopah, az
sweet...been doing cabinets for last 25 years. I did a building for Fresno State Univ a few years ago..new dorms and such...fog almost every morning
Thread Starter
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Posting Guru
Joined: Jun 2012
Posts: 1,452
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From: Nor Cal
If it didn't do it before you installed " The Naked Worms EGR Valve" I'd clean the old one and reinstall, clean MAP and IAT2 and see if shutter goes away. I don't think EGR is the problem, I experienced no such condition with my EGR issue. Just the codes. I'm no expert but I'm leaning towards Turbo, have fuel filters been changed lately? Any HPOP up grades
Elder User
Joined: Apr 2013
Posts: 941
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From: Bothell, WA
I found EGR desired, EGR error, and EGR command.
Lead Driver
Joined: Sep 2012
Posts: 7,830
Likes: 96
From: Manteca,Ca
koeo-0 low-0-15 hi-32
VP-Valve Position ( volts)
koeo-0.8 low-0.8-1.0 hi-1.3
D- Desired (percent)
koeo-0 low-0 hi-9.72
Elder User
Joined: Apr 2013
Posts: 941
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From: Bothell, WA
Would EGR Duty Cycle be the same as EGR Command? I'm working with the dashboss, and I am not finding Duty Cycle,or Valve position. So far I'm finding EGR command (%), EGR desired (%), EGR error (%)
Lead Driver
Joined: Sep 2012
Posts: 7,830
Likes: 96
From: Manteca,Ca
Whats the reading, should be like 4 values