TROUBLESHOOTING
Troubleshooting - 65
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.
Fuel tank vent not operating.
Obstruction in the fuel line.
Poor engine compression.
Engine runs rough.
Plugged or partially plugged air filters.
Plugged or partially plugged fuel filters.
Fuel tank vent not operating properly.
Stale, dirty fuel OR wrong seasonal fuel mixture.
Insufficient fuel level.
Faulty spark plugs.
Moisture in spark plug pockets.
Incorrect choke setting.
Faulty fuel pump.
Incorrect valve clearance.
Valve seat failure.
Engine low on power.
Plugged or partially plugged air filters.
Plugged or partially plugged fuel filters.
Low cylinder compression.
Engine overheats.
Debris in engine, oil cooler, and/or engine compartment, .
Oil light comes on when running.
Low oil level.
Faulty oil sender.
Faulty or plugged oil pump.
Engine emits white smoke.
Low engine temperature.
Excessive fuel consumption.
Plugged or restricted air filters or hose.
Dirty or faulty carburetor.
Engine uses excessive oil.
Check for leaks.
Incorrect oil viscosity.
Plugged or restricted air filters and or hose.
Worn rings or cylinder walls.
Worn or faulty valves.
