HELP! - I think my VGT is sticking... - Ford Powerstroke Diesel Forum
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Old 09-07-2009, 06:41 PM
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HELP! - I think my VGT is sticking...

Hi everyone....haven't been on in a while.

I've got a 2005 6.0 with a gauges, SCT Xcal3 with Eric's tunes and a 4" exhaust. After hard accelerating and you let off or the truck shifts and RPM's decrease, the turbo will not build boost when you step back on the throttle. It will have a deep throaty sound and sometimes black smoke out the tailpipe. Also when this happens the exhaust temps start going up. If you play with the accelerator or slow the truck down and get back in the throttle, the turbo will act normal and off you go, like normal. I also have a P005 code, saying some fuel check valve or something..........

My gut feeling is that the vanes are sticking in the turbo, but I could be all wrong. I took the intake tube off tonight and checked the turbo shaft, and all seems to be well. Impeller looks good and minimal end play.

Do you think I'm right? I've got to get her fixed tomorrow cause I'm leaving on a trip Wednesday pulling my camper to Ohio.

Thanks in advance for the help.
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Old 09-07-2009, 07:09 PM
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bumpity bump bump..........
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Old 09-07-2009, 10:07 PM
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CAT- Sounds like your concern is with the EGR valve or system. While a sticking turbo can cause lack of power it usually doesn't blow a lot of black smoke out the tailpipe. Thats usually EGR. Do you hear any popping noises and how much black smoke are you getting? Is there just a little when your tipping in or is it like fogging for mosquito's? What code were you getting again? P005 is not a valid code.
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Old 10-04-2009, 07:39 AM
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vgt sticking

i believe i am having the some what same problem. do you get a flutter on decel. from what i no you have to remove the turbo and pull of the turbine housing end. chech out the unison ring look for excessive soot and oil build up. see if you can slide the unison ring freely or does it hang up.chances are if its hanging up you wont get any codes.if you still have an egr in your system this will cause excessive crap in you turbo. plus the closed pcv system doesnt help either.do any of your shifts hang before shifting? hope this helps. there is also a small pin that goes through an elongated hole. make sure the hole is not worn out if so ford sells a repair kit. sorry not sure of the part number.good luck
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