3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Loss of all boost on inital throttle up

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Old 07-31-2009, 05:48 PM
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Loss of all boost on inital throttle up

Truck started yesterday when taking off from stop light or rolling down the road.
Get in the throttle and there is no boost totally flat then all of a sudden it hits and away you go...
Have had a couple of the mechanical boost not detected codes (P2262) in the past
but it has been a while.
It acts just like a gas engine when it boggs...
Exhaust brakes works fine; and when it does this it does not throw a code?
It does not do it all the time either; it is erratic.
Any help???
Old 08-15-2009, 11:21 AM
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03DodgeHO, did you get any info on this problem? My 07 2500 6.7 just started doing something very similar.
Old 08-16-2009, 09:58 PM
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Same as did my 6.7 07 2500... seems like its getting limited fuel like its boggin out real bad at any throttle % lite or floor... if you let off of it and get back on it boom you're off like a rocket...
Old 08-16-2009, 10:40 PM
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My 08 bluetech does the same thing. Had engine light come on once when piddling around on the farm all morning.
Drove to town and it went off.

Mileage is getting a little better if I baby it.
Old 08-16-2009, 11:08 PM
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mines a bluetech also i wish someone knew what this was
Old 08-17-2009, 12:00 AM
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Originally Posted by SilentTrouble
mines a bluetech also i wish someone knew what this was
It is your emmisions control system.
Old 08-17-2009, 08:31 AM
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It does have... And i thought it might have been EGR vavle took that off and cleaned it up. It really wasn't very bad I'd say it had been cleaned maybe 20-30k miles before.

After cleaning problem persists
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