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HI nick I got my tune wrote and is doing wonderful so far. But under full throttle I keep getting this code for map circuit high im assuming i missed something in the tune so it doesn't show. I really don't want to just turn the code off unless that's what you recommend.
Thanks again
Brian,
Definition: 4.150v - maximum sensor voltage above which DTC P0108 Manifold Absolute Pressure sensor circuit high voltage may set.
I would suggest doing a data log at full throttle. Log RPM, fuel rate MM3, vane position, desired boost and actual boost. My guess is that the truck is somehow commanding an unnecessarily high boost pressure. Logging this pids should help you track it down.
Nick
