17964/P1556 - Charge Pressure Control: Negative Deviation Possible Symptoms

• Reduced power output
• Limp mode

Possible Causes

• Boost Pressure too Low
• Hoses/Pipes incorrect connected, disconnected or leaking
• Charger Pressure Control defective
  • VNT (variable nozzle turbo): nozzles stuck
• Solenoid Valve for Boost Pressure Control (N75) defective

Possible Solutions

• Check Hoses/Pipes to/between Components
• Check Solenoid Valve for Boost Pressure Control (N75)
• Check / Clean / Replace Charge Pressure Control
  • Check / Clean mechanism for variable nozzles

 

 

 

 

Ezt is megmondhatja Ricsi, hogy mi a helyzet... N75öt cseréltem... az nem... :/