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TROUBLESHOOTING
Troubleshooting - 69
Engine
Symptom:
Possible Cause:
Starter will not engage.
Battery disconnect switch in Off position.
Tractor Control Module (TCM) is in ‘Sleep’ mode.
Blown fuse in power relay module.
Blown fuse in start circuit.
Selector lever / parking brake is not in the park position.
Parking brake switch is out of adjustment.
Low battery voltage.
Engine cranks, but won’t start.
Fuel shut-off valve is turned off.
Insufficient fuel level.
Faulty fuel pump.
Plugged fuel filters.
Cold weather - cycle glow plugs a second time.
Glow plugs not working.
Obstruction in the fuel line.
Fuel shut-off solenoid not working.
Faulty injector pump.
Poor engine compression.
Engine runs rough.
Plugged or partially plugged air filters.
Plugged or partially plugged fuel filters.
Stale, dirty fuel OR wrong seasonal fuel mixture.
Insufficient fuel level.
Faulty fuel pump.
Dirty or faulty fuel injectors.
Faulty injector pump.
Incorrect valve clearance.
Valve seat failure.
Engine low on power.
Plugged or partially plugged air filters.
Plugged or partially plugged fuel filters.
Dirty or faulty fuel injectors.
Low cylinder compression.
Faulty injector pump.
Engine overheats.
Dirty radiator screen.
Low coolant level.
Debris in engine compartment.
Defective radiator cap.
Defective thermostat.
Loose alternator fan belt.
Blown head gasket.
Oil light comes on when running.
Low oil level.
Faulty oil sender.
Faulty or plugged oil pump.