1. Power supply
- Battery
- Burnt-out jumper
- Fuse
2. Connections with «weight»
3. Fuel supply
- fuel line
- Fuel filter
- Fuel pump
4. Ignition system
- Spark plug
- High voltage wires
- Ignition coil
5. System for reducing the toxicity of exhaust gases
- Crankcase ventilation system
- vacuum leak
6. Others
- Setting the ignition timing
- Idle speed
Malfunctions of the MFI system are often caused by poor contacts in the wiring harness connectors. Therefore, check the reliability of the connection of all connectors.