Fuel System - Repair - R57 (N12)

• Checking Setting Engine Emission
  • 00 Safety information for working on vehicles with automatic engine start-stop function (MSA)
    • Notes
    • Observe safety precautions when working on MSA vehicles
    • MSA function is deactivated by
    • When working with diagnosis tools
• Fuel Pump With Drive And Line
  • 13 31 028 Checking fuel feed pressure (N12)
  • 13 31... Notes on fuel pressure check (reference pressure: environment)
    • Feature of this version with ambient pressure
    • Test precondition
    • Description of operation
    • Description of operation: fuel return line
    • Description of operation: pressure retaining function
    • Complaint: drive characteristic faults, lack of power
    • If the measured value is less than the nominal value - 0.2 bar
    • If the measured value is greater than the nominal value + 0.2 bar
    • Complaint: starting problems
    • If the measured value has dropped by more than 0.5 bar
    • If the measured value has now dropped by less than 0.5 bar, the following faults can be present
    • If the measured value has dropped by more than 0.5 bar again
• Injection Nozzle And Lines
  • 13 64 501 Removing and installing or replacing a fuel injector (N12, N16)
  • 13 53 240 Replacing complete fuel rail (N12, N16)
• Throttle And Operation
  • 13 54 250 Removing and installing/replacing the air intake hose (N12, N16)
  • 13 54 030 Removing and installing/sealing the throttle body (N12, N16)
• Sensor For Control Unit
  • 13 62 010 Removing and installing/replacing fuel differential-pressure sensor (N12, N16)
• Start Valves
  • 13 64 501 Removing and installing or replacing a fuel injector (N12, N16)
• Intake Silencer
  • 13 71 000 Removing and installing the intake silencer housing (N12, N16)
• Air Cleaner
  • 13 72 001 Replacing air filter element (N12, N16)
• Carbon Canister Ventilation
  • 13 90 500 Replace the tank vent valve (N12, N16)