Bennche Bighorn 400, Owner'S Manual, Page: 158 / 181

Periodic Maintenance and Adjustment 8-58
S/N Problems Solutions
7 EFI system
1. Check if the ECU is broken.
2. Check if the nozzle is clogged or the
nozzle to the ECU
connection is disconnected.
3. Check if the engine speed signal sensor is broken.
4. Check if the engine speed signal to ECU connection is
disconnected.
5. Check
if the inlet pressure/temperature sensor is
damaged or the ECU connection is disconnected.
6. Check
if the throttle sensor is damaged or the ECU
connection is disconnected.
7. Check if the Sub-harness (cable) of the electrical injection
is broken.