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Message: [QUOTE="TARM, post: 448684, member: 578"] EBPV defaults to open not closed. So it being unplugged would not cause it to be shut. That is not to say its not simply stuck partially or full closed. That can happen. How does it sound at the exhaust like a jet turbine. The whiny 38r are such a PITA as you here that whistle on some with any boost at all. You really need to have someone check your codes and see what has been tripped. They are great for giving you direction to look. Find someone local that has a code reader that can read the 7.3 and see what you have. If its the EBPV that would send the BP thru the roof which would peg the EBPS and that would effect your shifting as well as power. So if you happen to notice things like shifting acting weird it would seem to support this all. You really need to check your codes as without that really all you can do without replacing stuff is to just make sure everything is plugged in and you see no obvious shorts or grounded wires. [/QUOTE]

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