The ECO Tune solved my P0299 (low boost pressure) fault and P0401 (no EGR air flow).

I still have the P0234 (over boost pressure fault) that occurs when i really put my foot into the turbo. We road tested when finished and found the turbo vanes stuck or not fully opening up. This is most likley causing my P0234 fault. The eco-tune cant resolve this mechanical problem.

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2006 CRD purchased with 87,000 miles in 2010.
Am 2nd Owner.
140,000 miles as of december 2014.
I read the NOOB Guide
EHM
ECO Tune from Green Diesel Engineering, August 2011
Facet Lift Pump