2004 Ford E350 6.0 turbo problem
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New User
Joined: Feb 2012
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2004 Ford E350 6.0 turbo problem
Hi guys
Iam new to this site so please excuse my techniques on this thing.
well i have a 2004 Ford E350 6.0 Diesel and we are having issues with it. Check engine was on so we plugged in the scanner and had a problem with the supercharger/boost? anyways i think it is the turbo which needs to be replaced. it completely has no power when your driving and it doesnt change gears , youd have to keep pushing and letting go of the pedal to change gears. and when it does change it jerks really bad. the transmission was replaced before so that shouldnt be a problem. also when iam pushing the pedal when driving and instantly let go of the pedal you can hear a blow/fan make noise under the driver seat..diesel is really hard to mess with. but any info is appreciated..thank you.
Iam new to this site so please excuse my techniques on this thing.
well i have a 2004 Ford E350 6.0 Diesel and we are having issues with it. Check engine was on so we plugged in the scanner and had a problem with the supercharger/boost? anyways i think it is the turbo which needs to be replaced. it completely has no power when your driving and it doesnt change gears , youd have to keep pushing and letting go of the pedal to change gears. and when it does change it jerks really bad. the transmission was replaced before so that shouldnt be a problem. also when iam pushing the pedal when driving and instantly let go of the pedal you can hear a blow/fan make noise under the driver seat..diesel is really hard to mess with. but any info is appreciated..thank you.
Hotshot
Joined: Dec 2003
Posts: 15,368
Likes: 121
From: Stuttgart, Ar
Please post the specific codes. You also need to check ALL the turbo pipes to and from the intercooler and the y-pipe from the exhaust manifolds to the turbo before you consider replacing the turbo, which might just need cleaned.
Lead Driver
Joined: Mar 2010
Posts: 5,505
Likes: 256
From: Woodbridge, Ontario, CA
That would be P0299 Turbo underboost, which is likely caused by a bad EBP (Exhaust Backpressure) sensor, or badly stuck unison ring on your turbo, which would be consistent with the turbo farting symptom you describe. The first step is to monitor your MAP (Manifold Absolute Pressure) , BARO (Barometric Pressure) and EBP pressures at Key-On/Engine-Off to ensure the are all reading correctly. At Key-On/Engine-Off they should all indicate atmospheric pressure (about 14.3 psi depending on where you are located geographically). Once you've established that they are all reading correctly, you need to monitor how they change/react to acceleration. If MAP and EBP aren't increasing proportionately, you will need to remove/disassemble the turbo to examine the condition of the unison ring, vanes and the turbo center housing itself, to determine the repair necessary to correct your issue.
Laughing Gas
Joined: May 2006
Posts: 1,192
Likes: 0
From: Oakville, Ontario
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New User
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Excellent info.. Ill be sure to check that out. We had replaced the backpressure sensor awhile back. but looks like the turbo is the problem!
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