Hisun HS800 - Fuel System; Electrical system

Troubleshooting
8-45
Note:
This section is not all inclusive, it is meant as a troubleshooting guide. Please
refer to the relevant sections of this manual for inspection, adjustment or
replacement of components.
Fuel System
Fuel tank
1. No Fuel
2. Fuel filter is clogged
3. Fuel pump filter net is clogged
4. Breather tube is clogged
5. Fuel is contaminated or stale
Fuel pump
1. Clogged fuel line
2. Damaged vacuum line
Air filter
1. Dirty air filter element
Fuel filter
1. Clogged up
Electrical system
Spark Plug
1. Improper plug gap
2. Worn electrode
3. Broken plug wire
4. Wrong Plug (Heat range)
5. Faulty spark plug cap
6. Insulation breakdown of plug wire
EFI System
1. Broken ECU
2. Clogged injector
3. Damages speed sensor
4. Damaged IAT sensor
5. Damaged connectors or wires to
sensors
Switches or wires
1. Broken wires
2. Shorts to ground
3. No continuity in switch