Possible VGT/Turbo Issue - Ford Powerstroke Diesel Forum
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Old 09-03-2009, 08:12 AM
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Possible VGT/Turbo Issue

I have been noticing that some times i have low power when taking off and some times it is fine. Last night I was talking to friends while the truck was idleing. I could here the turbo cutting off and on. It sounded just like when i have unpluged the VGT actuator and pluged it back in. You here the exhuast get louder and then you here the turbo noise. Has any one seen this? Could i have a bad EGT Actuator. Please advise ASAP i am leaving in the morning pulling my travel trailer and i dont want to have any problems. Thanks
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Old 09-03-2009, 08:43 AM
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The sound you are hearing is probably the turbo cycling the vanes. Have you cleaned your turbo?
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Old 09-03-2009, 08:51 AM
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No have not cleaned the turbo. How is that done?
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Old 09-03-2009, 11:19 AM
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There is probably a write up around here somewhere. Just search "turbo cleaning", you will find it.
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Old 09-03-2009, 11:27 AM
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I just did mine on my 6.0 this week.

THIS & Diesel Technician Society (this) should help.
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Old 09-03-2009, 12:09 PM
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Thanks. Ill look into that after my trip.
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Old 09-03-2009, 06:43 PM
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If you have the opportunity to run your truck hard during your trip, do so. You can burn off alot of that build that can contribute to the sticking
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Old 09-09-2009, 06:46 PM
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Well I ran it hard. I pulled my camper for over 600 miles and got on it several times when normal driving it with out pulling. I think its getting worse. I could really tell when pulling from a stop. It would wind the engine up alot and the boost would be around 10 and it seems like it took a while for me to get up to speed. Once it got up to speed i could just barly push the pedal and it would pull great and boost would run up like normal. You can literally stand by the exhaust and here it spool up and then just shut off then spool up again. it sounds exactly like one does when you first crank it, then it shuts off and back on. It reminds me of what it sounds like when i have unpluged the vgt solonid thing. Could it realy be that the turbo is dirty or could this solonid be bad? Thanks
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Old 09-09-2009, 07:07 PM
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VGT turbos sticking is pretty common. Has it set any code/Check engine lights??
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Old 09-09-2009, 07:13 PM
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No lights. I dont have a scanner to see if there are any codes.
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