Section 42 (2.0L - MULTIPORT Fuel Injection (MFI) - AEG, AVH, AZG)
WARNING: This page does not describe the selected car, but rather 14 other vehicles, including the 2005 Volkswagen Jetta, 2004 Volkswagen Jetta, 2003 Volkswagen Jetta, 2003 Volkswagen Golf, and 2002 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Multiport Fuel Injection (MFI)
- Fuel injection, servicing
- General Notes on Fuel Injection
- Overview of Component Locations (Vehicles with engine code AEG)
- Overview of Component Locations (Vehicles with engine code AVH, AZG)
- Intake manifold, upper part, disassembling and assembling
- Intake manifold, lower part, disassembling and assembling
- Air filter, disassembling and assembling
- Safety precautions
- Rules of cleanliness
- Technical data
- Checking components
- Oxygen sensor heater for oxygen sensor before Three Way Catalytic Converter (TWC), checking
- Oxygen sensor heater for oxygen sensor behind Three Way Catalytic Converter (TWC), checking
- Mass Air Flow (MAF) sensor, checking
- Throttle valve control module, checking
- Engine Coolant Temperature (ECT) sensor, checking
- Intake Air Temperature (IAT) sensor, checking
- Check Engine Speed (RPM) sensor
- Check fuel injectors
- Fuel pressure regulator and residual pressure, checking
- Checking intake system for leaks (unmetered air)
- Function tests
- Engine Control Module (ECM)
- Checking additional signals
- Fuel injection, servicing