Have you have encountered DTC P00AF (Turbocharger Boost Control Incorrect Position)? Don't assume that the turbocharger is defective. This DTC could be due to a restriction in the Chamber Comp Vacuum (36185-RL0-G01 Accord Part number ), the restriction causes an incorrect boost pressure which can then causes P00AF. CR-V part number 36185-RMA-E01 item 13 in image Before you replace the Turbocharger assembly, check for the restriction condition shown below. A Shows the vacuum chamber with a partial restriction. B Shows the vacuum chamber in the normal condition. The restriction is normally found behind the brass insert on the black end of the vacuum chamber.