Troubleshooting - 36
S
YMPTOM
:
P
OSSIBLE
C
AUSE
:
Starter Will Not Engage
Parking brake is not in the park position.
PTO switch is engaged.
Neutral start switch is out of adjustment.
Dead battery.
Blown fuse in start circuit.
Faulty relay in start circuit.
Electrical problem in start circuit.
Engine Cranks, But Won’t Start
Insuffi cient fuel level
Cold weather - let glow plugs cycle a second time.
Glow plugs not working.
Plugged fuel fi lters.
Obstruction in the fuel line.
Poor engine compression.
Fuel start solenoid not working.
Faulty injector pump.
Engine Runs Rough
Plugged or partially plugged fuel fi lters.
Plugged or partially plugged air fi lters.
Fuel cap vent is plugged or dirty.
Stale fuel, dirty fuel, insuffi cient fuel level.
Dirty or faulty fuel injectors.
Faulty injector pump.
Engine Is Low In Power
Plugged or partially plugged fuel fi lters (most common).
Plugged or partially plugged air fi lters.
Low cylinder compression.
Dirty or faulty fuel injectors/pump.
Engine Overheats
Dirty radiator screen.
Low coolant level.
Debris in engine compartment.
Defective radiator cap.
Defective thermostat.
Loose alternator belt.
Oil Light Comes On When Running
Low in oil.
Faulty oil sender.
Faulty oil pump.
TROUBLESHOOTING
E
NGINE
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