TROUBLESHOOTING
Engine
Symptom:
Possible Cause:
The starter will not engage.
The battery disconnect switch is in the Off position. A blown fuse in the power relay module. A blown fuse in the start circuit. The parking brake is not engaged. The parking brake switch is out of adjustment. The power unit is not in neutral. The neutral switch is out of adjustment. Low battery voltage.
The engine cranks, but won't start.
The fuel shut-off valve is turned off. The fuel tank is empty.
A faulty fuel pump. A plugged fuel filter.
A blockage in the fuel line. Poor engine compression.
The engine runs rough.
Plugged or partially plugged air filter(s). Plugged or partially plugged fuel filter. Stale, dirty fuel or wrong seasonal fuel mixture.
The fuel level is low. Faulty spark plugs. Moisture in the spark plug pockets. Incorrect choke setting. A faulty fuel pump.
Dirty or faulty carburetor. Incorrect valve clearance. Valve seat failure.
The engine is low on power.
Plugged or partially plugged air filter(s). Plugged or partially plugged fuel filter.
Dirty or faulty carburetor. Low cylinder compression.
The engine overheats.
The radiator screen is dirty. The coolant level is low. The engine compartment has debris buildup.
The radiator cap is defective. The thermostat is defective. The alternator / fan belt is loose. A blown head gasket.
Troubleshooting - 71
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