Turbocharger/Supercharger Inlet Pressure Sensor A Circuit High

Descripción

This code indicates that the turbocharger/supercharger inlet pressure sensor is reporting a pressure reading that is too high. This could mean the sensor is faulty or the engine is building too much boost pressure.

Pasos de reparación

1. 1 Check the wiring and connector at the turbocharger/supercharger inlet pressure sensor for damage, corrosion, or loose connections and repair as needed.
2. 2 Inspect the intake air system for restrictions, collapsed hoses, or blockages that could cause abnormal pressure readings.
3. 3 Inspect the exhaust system for restrictions such as a clogged catalytic converter or blocked exhaust pipe.
4. 4 Test the turbocharger/supercharger inlet pressure sensor signal voltage with a multimeter to verify it is reading abnormally high, and replace the sensor if faulty.
5. 5 Inspect the wastegate or boost control solenoid for proper operation; repair or replace if the wastegate is stuck closed or the solenoid is malfunctioning.
6. 6 Check the turbocharger or supercharger for mechanical damage, excessive play, or signs of overboost and repair or replace as needed.
7. 7 Have a professional diagnose the Engine Control Module (ECM) if all other components test normal; replace the ECM if confirmed faulty.

Diagnóstico y costo