Fuel System - Repair Instructions

• Checking - Setting Engine
  • 13 00 002 Checking function of Digital Engine Electronics (DME)
    • Diagnostic connector in engine compartment:
• Fuel Pump
  • 13 31... Notes on fuel pressure check (reference pressure: environment)
    • Notes
    • Description of operation:
      • Notes
      • Description of operation: fuel return line
      • Description of operation: pressure retaining function
      • Complaint: starting problems
  • 13 31 029 Checking fuel pump delivery pressure (M54)
• Fuel Filter
  • 13 32 051 Replacing fuel filter (M54)
• Speed Governor
  • 13 41 500 Replacing idle speed control valve (M52TU, M54)
• Inj. Pump, Regulator
  • 13 51 630 Replacing fuel pressure regulator (M54, N42, N62, N40)
• Injection Nozzle & Injection Pipe
  • 13 53 240 Replacing complete injection pipe (M54)
  • 13 53 540 Replacing, sealing fuel hoses
• Throttle & Operation
  • 13 54 030 Removing and installing/sealing throttle assembly (M54)
  • 13 54 250 Replacing intake hose (between air-mass flow sensor and connecting piece) (M54)
  • 13 54 251 Replacing intake hose (between connecting piece and throttle assembly) (M54)
• Electronic Control Unit
  • 13 62 560 Removing and installing/replacing air-mass flow sensor (M54)
• Sensor For Control Unit
  • 13 62 511 Replacing intake air temperature sensor (M52TU, M54)
  • 13 62 531 Replacing coolant temperature sensor (M52TU, M54)
  • 13 62 560 Removing and installing/replacing air-mass flow sensor (M54)
• Throttle Potentiometer
  • 13 63 590 Replacing fuel pump relay
• Start Valves
  • 13 64 541 Replacing all fuel injectors
• Intake Silencer
  • 13 71 000 Remove and installing intake filter housing (M52TU, M54)
• Air Cleaner
  • 132 001 Replacing air cleaner element (M54)
• Carbon Canister Ventilation
  • 13 90 500 Replacing tank venting valve (M52TU, M54)