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Discussion Starter #1
how many of you guys on here did an egr delete and now have low or no boost or have had this problem at one time. if you have had this problem and fixed it what did you do to fix please help?
 

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Same here. Did EGR delete drove the truck for 1000 miles and Boost stopped. We think it is the Turbo Vane. Gonna replace tomorrow morning and let you know. May have something to do with the turbo passing water from a cracked EGR.
 

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Discussion Starter #4
Yea I think it is my vanes too but just want to make sure before I go in for nothin
 

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ok so i have been doin some searchin around and have been seeing here and there that KOEO ebp sensor should be 14.7 +- .5 well i pretty sure mine dosen't read that much KOEO but i do know that at idle it runs at like 0psi. should i be worried can this be my problem. can any one confirm or deny this and help be a little more specific.
 

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ok so i have been doin some searchin around and have been seeing here and there that KOEO ebp sensor should be 14.7 +- .5 well i pretty sure mine dosen't read that much KOEO but i do know that at idle it runs at like 0psi. should i be worried can this be my problem. can any one confirm or deny this and help be a little more specific.
2003 model years trucks (or early 2004 model year trucks with 2003 engines) DO NOT use EBP sensor input to set turbo boost. They use what is called "inferred EBP", meaning a calculated value. This is why the VGT relearn procedure that is required after any major repair that involves turbo removal is necessary on (and EXCLUSIVELY on) 2003 model years. In a nutshell, the EBP sensor on 2003 model years, is just there to "look good".
 

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Discussion Starter #8
ok so i fixed my truck finally thank god. found that up pipe clamp at turbo and turbo housing clamp were not tight enough and were leaking pulled turbo back apart and didn't find any thing wrong so put back together and made sure i tighten those clamps more this time and ran after i started it i could tell it was better turbo was back to whistleing it a** off like it should and took it for a spin and the power is back. thought i would follow up and share what i found hope it maybe helps one of the others on here that are having this problem
 
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