Acura
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold air control system - high RPM malfunction
Cause:
    Wiring, intake manifold air control solenoid, ECM

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Intake manifold tuning valve system malfunction - high RPM
Cause:
    Hose leak/blockage, wiring, intake manifold tuning valve, intake manifold tuning valve actuator, ECM