4.2L V8 5V Fuel Injection And Ignition, Engine Code(S): Bat, BNK

• 24 - Multiport Fuel Injection (MFI)
  • Motronic fuel injection system, servicing
    • Safety precautions
      • Observe the following if test and measuring instruments are required during a test drive:
    • When working on the fuel supply/injection system, pay careful attention to the following "6 rules" of cleanliness:
      • Notes
      • Component locations, overview
        • Notes
        • Component located on 3-socket relay carrier in left plenum chamber
        • Component located on 4-socket relay carrier in E-box of right plenum chamber
        • Connector strip on right side of bulkhead
        • Connector strip beneath coolant reservoir
        • Engine viewed from front
        • Engine viewed from rear
        • Secondary Air Injection (AIR) Pump Motor V101
    • Air filter, overview
    • Air filter, removing and installing
    • Intake manifold, overview
    • Intake manifold, removing and installing
    • Fuel system, bleeding
    • Fuel pressure regulator and residual pressure, checking
    • Checking for leaks, injection quantity and spray pattern of fuel injectors
      • Notes
      • Injectors, checking for leaks
      • Injection quantity, checking
    • Wiring and components, checking with adapter cable (121-pin) V.A.G 1598/31 test box
    • Engine Control Module (ECM) J623, replacing
    • Mass air flow (MAF) sensor, removing and installing
  • Oxygen sensors, removing and installing
    • Oxygen sensors, removing and installing
    • Oxygen sensor (O2S) behind three way catalytic converter (TWC) G130, bank 1 (right), removing and installing
    • Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) G131, bank 2 (left), removing and installing
• 28 - Ignition/Glow plug System
  • Ignition system, checking
    • Ignition system, general information
    • Safety precautions
    • Technical data
  • Ignition coils, removing and installing
    • Ignition coils, removing and installing