P0299 and P0470 codes - Ford Powerstroke Diesel Forum
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Old 02-25-2011, 06:55 PM
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P0299 and P0470 codes

2006 F-350, 6.0 with a 6 speed manual.. P0299 is an under boost code and P0470 is an EBP code. Can the EBP cause an under boost code and cause the boost to fluctuate 2-3 psi?
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Old 02-25-2011, 07:02 PM
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Originally Posted by dhanna6powerstroke View Post
2006 F-350, 6.0 with a 6 speed manual.. P0299 is an under boost code and P0470 is an EBP code. Can the EBP cause an under boost code and cause the boost to fluctuate 2-3 psi?
Yes it can. Step #1 is to access BARO, MAP and EBP psi data at key-on/engine-off. All three should indicate 14.3 to 14.5 psi (or whatever atmospheric pressure is in your neck of the woods). If any of the three are way outside of each other, repair as necessary. Are you getting just a P0299 and P0470 by itself, or are you getting any other DTCs (P0404, P2262 or P2263 for example)? If it's just those two, you likely have a faulty EBP sensor. As soon as the engine is started MAP and EBP should increase slightly, while BARO remains constant. A P0299 is likely caused by a sticky VGT unison ring.
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Old 02-25-2011, 07:07 PM
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Originally Posted by m-chan68 View Post
Yes it can. Step #1 is to access BARO, MAP and EBP psi data at key-on/engine-off. All three should indicate 14.3 to 14.5 psi (or whatever atmospheric pressure is in your neck of the woods). If any of the three are way outside of each other, repair as necessary. Are you getting just a P0299 and P0470 by itself, or are you getting any other DTCs (P0404, P2262 or P2263 for example)? If it's just those two, you likely have a faulty EBP sensor. As soon as the engine is started MAP and EBP should increase slightly, while BARO remains constant. A P0299 is likely caused by a sticky VGT unison ring.
Just the P0299 and P0470 codes. This is the no start truck you helped me with. Has been doing this since they got it running. I haven't seen the truck yet but he is suppose to bring it to me tomorrow. I'm installing an Insight CTS tomorrow as well.
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Old 02-26-2011, 03:48 PM
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Removed the EBP sensor and tube. Tube had a lot of carbon build up. Cleaned and reinstalled. Still setting the P0299 code and now that I have driven the truck and seen it first hand, I can tell the unison ring is sticking. Anyone know the number for the updated unison ring and a price?
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Old 02-26-2011, 04:31 PM
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Anyone know if this is the correct updated part#?
2006 Ford 6.0 Diesel VGT TURBO UNISON RING 3C3Z6C885A - eBay (item 190503263017 end time Mar-19-11 14:07:04 PDT)
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Old 02-26-2011, 09:40 PM
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Originally Posted by dhanna6powerstroke View Post
Yes, that is the correct part number for the unison ring for ALL 6.0L diesels. But at that price listed in the link above, you may as well pick it up from your nearest dealer for the same or maybe even cheaper price than that.
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Old 02-27-2011, 06:37 AM
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Originally Posted by m-chan68 View Post
Yes, that is the correct part number for the unison ring for ALL 6.0L diesels. But at that price listed in the link above, you may as well pick it up from your nearest dealer for the same or maybe even cheaper price than that.
I was going to check with my dealer on Monday, just wanted to make sure that was the correct one. Thanks
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Old 03-07-2011, 06:36 AM
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Is there an actual part number for a 3M turbo cleaning kit? It shows a number on Diesel Technical Society (#03050) and that is supposedly an International number.
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Old 07-13-2012, 12:30 PM
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I'm having bad issues with mine.. I have deleted the egr system, rebuilt the turbo and new unison ring and solenoid, checked the tube on the map, replaced ebp and cleaned the tube... Still showing a 470 code.. Anyone have any suggestions.. I'm stumped and don't know what else to do.. It has now power.. The turbo is not acting right.. I can unplug the solenoid and it runs better but no power.. Plugged up it makes a hissing sound like the vanes close up and it will blow back thru the air filter..
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Old 03-20-2013, 12:48 AM
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Originally Posted by Donnie11414 View Post
I'm having bad issues with mine.. I have deleted the egr system, rebuilt the turbo and new unison ring and solenoid, checked the tube on the map, replaced ebp and cleaned the tube... Still showing a 470 code.. Anyone have any suggestions.. I'm stumped and don't know what else to do.. It has now power.. The turbo is not acting right.. I can unplug the solenoid and it runs better but no power.. Plugged up it makes a hissing sound like the vanes close up and it will blow back thru the air filter..
is there any help on this?
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