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Message: <blockquote data-quote="PoManNox" data-source="post: 24514" data-attributes="member: 8300">Best I can tell the P0229 is an underboost code and the P2227 is something to do with barometric pressure circuit A.Was anything damaged on the charge air cooler?   This is a pretty fragile part, right in the path of any front end collision.    I'd check the charge air cooler for signs of leakage.  You'll usually see oily vapor leakage from the bad areas.   Also check the big hose clamps going into the charge air cooler, out of it and at the throttle body.   If all that is good, I'd check that baro pressure sensor/circuit, the MAF sensor and circuitry, etc.If all that is good,   It could be a turbo problem.</blockquote>