Troubleshooting; Starting Failure/Hard Starting; Fuel System; Electrical System - Hisun HS700UTV-4 Maintenance Handbook

NOTE:
The following trouble, not including all possible troubles, is a help for trouble guide. Please refer to
relevent contents for the inspection, adjustment and replacement of part.
Fuel tank
Fuel pump
Air filter
Gasoline filter
Spark plug
EFI system
Switches and wires

TROUBLESHOOTING

STARTING FAILURE/HARD STARTING

FUEL SYSTEM

1、No oil
2、Fuel filter is clogged
3、Fuel pump filter net is clogged
4、Breather tube is clogged
5、Fuel is deteriorated or polluted
1、Clogged fuel hose
2、Damaged vacuum hose
Clogged air filter element
Block up

ELECTRICAL SYSTEM

1、Improper plug gap
2、Worn electrodes
3、Wire between terminals broken
4、Wrong Spark plug heat value
5、Faulty spark plug cap
6. High voltage wires strapped on frame cause shortage of high
pressure ignition energy
1、 Broken ECU
2、 Clogged nozzle or the rupture the line from nozzle to ECU
3、 Damage of engine speed signal sensor
4、 Rupture of the line from engine speed signal sensor to ECU
5、 Broken inlet pressure or temperature sensor or damaged line
to ECU
6、 Broken air throttle or damage line to ECU.
7、Broken vice line (cable) of electrical injection
1、 Broken main cable
2、 Broken main switch
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