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Message: [QUOTE="groove, post: 1035419, member: 12012"] Ok, so after the full rebuild of my engine I am getting a few DTC codes relevant to the HP turbo. They are as follows: P2263 P2563 I have replaced the EBP and MAP sensors with no help (although it seemed better for a day or so after the EBP was swapped) EBP tube is clean and clear, VGT actuator moves freely. Truck is sometimes laggy and smokey off idle, but sometimes makes 25+psi with only light throttle (overboost condition). Just today a P0472 showed up...I was watching back pressure on my MiniMax and it was 0 at idle a couple times but seemed to respond instantly to throttle input. I have a VGT actuator on order, as even though it moves freely I originally thought this was the root of the problem. It seems to cycle funny at key on so I thought I would try that. HP turbo passes a little oil on the compressor side, so I will pull it and rebuild it shortly - I don't think its bad enough to limit performance though. Looking for thoughts and opinions please :) [/QUOTE]

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