ICP?EGR?VGT sensor? Im Stuck and Need Help - Ford Powerstroke Diesel Forum
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Old 12-02-2008, 07:53 PM
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ICP?EGR?VGT sensor? Im Stuck and Need Help

my truck starts fine, idles rough when in its in drive, park, or reverse, but in nuetral it idles smooth as anything, driving wise its sputter to the point of slowing down but does not always do this, when i mash the go pedal it feels like it doesnt wanna boost up as if it were hesitating but clears up and in overdrive and i mash the pedal its shacky, ive read alot on here about this things but cant find a sloid culprit. My egr cooler is bypassed but is it possible that the valve is shut? and i unplugged my icp and my truck runs w/ it unplugged....im lost so please find me and thanks in advance guys
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Old 12-02-2008, 08:00 PM
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PSD

DID YOU CLEAN THE EGR VALVE,IS IT CLOSED OR OPEN?DO YOU HAVE A SCANNER?LETS SEE WHAT KIND OF CODES THERE IS,FIRST.OR WE WILL BE SHOOTING IN THE DARK.
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Old 12-02-2008, 08:03 PM
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i cleaned the egr valve, but honestly dont know how to tell whether its open or closed, my sct pulled no codes!
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Old 12-02-2008, 08:26 PM
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psd

take the valve out and push on the bottom of it.and it will open.there is two o-ring on it.if your not sure about it,being good.go to Ebay and get a cheap one and if you find a cheap icp.get it too.I hope you understand we are shooting in the dark,we dont have codes.did you check the fuel fitlers to?
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Old 12-04-2008, 05:50 AM
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try unplugging the EGR valve and go for a drive. If it's better, you need a new valve. Leaving it unplugged won't be a fix since the spring is likely weak and the exhaust backpressure will start to open the valve anyway.
Ford brought out another message on the EGR valves, not to clean them. The early build valves are prone to failure. With a new, updated valve, you should also get an update to the PCM, and perform a self test so it learns the new valves' spring rate.
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