inglês para português Tecn./Engenharia Engenharia (geral) motor

P0244 Code - Turbocharger/Supercharger Wastegate Solenoid 'A' Range/Performance
OBD-II Code P0244 is defined as a Turbocharger/Supercharger Wastegate Solenoid "A"

The Wastegate solenoid allows unneeded boost generated by the turbo or supercharger to vent the system. The engine control module (PCM) controls the wastegate solenoid. If the PCM cannot control the solenoid, it will set code P0244.The PCM may also disable the turbo or supercharger to prevent further damage to the system.

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What are the common causes of P0244 ?
The turbo boost pressure or MAP sensor is registering pressure in the intake manifold at idle, indicating that the wastegate did not bypass all the boost pressure quick enough, or all the way
The turbocharger wastegate solenoid is stuck on, causing boost pressure in the intake manifold
The wastegate solenoid ground side has an intermittent short on the control side, causing loss of solenoid control
How do you troubleshoot P0244 ?

Deactivation of cylinders is achieved by releasing a synchroniser pin that normally interlocks the cam follower and rocker arms. P0244 code resolves the synchroniser pin is released using hydraulic pressure which is controlled by a dedicated solenoid.