TROUBLESHOOTING
179
OK
OK
1. HARD STARTING
3. ENGINE TURNS OVER BUT DOES NOT START
Checkpoint Trouble Cause Countermeasure
Engine stop mechanism
Defective engine stop mechanism
control wire improperly adjusted
(In line pump)
Replace the engine stop
mechanism
Adjust the control wire
Defective fuel cut solenoid valve
(VE pump)
Replace the fuel cut solenoid
valve
Fuel tank is empty Fill the fuel tank
Clogged or damaged fuel lines
Loose fuel line connections
Repair or replace the fuel lines
Retighten the fuel line
connections
Fuel filter
OK
Fuel piping
Fuel
Fuel filter overflow valve does
not close
Repair or replace the fuel filter
overflow valve
Clogged fuel filter element
Replace the fuel filter element or
the fuel filter cartridge
Fuel system Air in the fuel system Bleed the air from the fuel system
Continued on the next page
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
NG NG
FUEL IS NOT BEING DELIVERED TO THE INJECTION PUMP
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