MULTIPORT Fuel Injection (MFI) - 3.7L & 4.2L V8 4V (AEW, ABZ)
- Motronic Multiport Fuel Injection (MFI) system, servicing
- Safety precautions
- Rules of cleanliness
- Technical data
- Component locations, overview
- Intake air system with Mass Air Flow (MAF) sensor
- Fuel rail and fuel injectors
- Dual-stage intake manifold with intake manifold change-over valve
- VAG1598/19 test box, connecting
- Engine Control Module (ECM) (without metal anti-theft housing), replacing
- Engine Control Module (ECM) (with metal anti-theft housing), replacing
- Engine idle speed and CO content, checking
- Fuel pressure regulator and residual fuel pressure, checking
- Fuel injection volume, fuel injector leakage and spray pattern, checking
- Fuel injectors, checking
- Fuel pump relay, checking
- Oxygen Sensor (O2S) control, checking
- Idle Air Control (IAC), checking
- Intake Manifold Tuning (IMT) valve, checking
- Evaporative Emissions (EVAP) system, checking
- Air control valve for fuel injectors, checking
- Engine Control Module (ECM) input signals, checking
- Additional signals, checking
- Air conditioning signals, checking
- Rear window defogger signal, checking
- Engine Speed (RPM) signal, checking
- Vehicle Speed Sensor (VSS) signal, checking
- Automatic transmission selector lever position signal, checking
- CAN-bus data exchange between Motronic ECM and automatic transmission TCM, checking
- CAN-bus data exchange between Motronic ECM and ABS control module, checking
- Traction control (ASR) signal, checking
- Fuel level status, checking
- Malfunction Indicator Lamp (MIL) function, checking