DTC codes / P20xx · Fuel and air metering and auxiliary emission controls / P206F
P206F indicates that the powertrain control module has detected a stuck-closed condition in the bank 2 intake manifold tuning valve, which is part of the variable intake system that alters runner length or volume to optimize airflow. The computer commands the valve to change position and monitors the result through a position sensor or manifold pressure changes, and when the expected change does not occur, it sets this code.
Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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