Code P012D Possible Causes
Faulty Turbocharger/Supercharger Inlet Pressure Sensor
Turbocharger/Supercharger Inlet Pressure Sensor circuit poor electrical connection
Turbocharger/Supercharger Inlet Pressure Sensor harness is open or shorted
Engine vacuum leaks
Exhaust gas leaks
Faulty Front Heated Oxygen Sensor HO2S Bank 1
Faulty fuel injectors
Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection

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