Troubleshooting - Cub Cadet Challenger 400 Operator's Manual

Troubleshooting

Problem
Engine will not start
Engine is difficult to start
Engine misfires under load
Engine does not restart when warm
Entire electrical system does not work
Dead battery
Battery will not take a charge
Difficult to shift
Indicator lights do not come on when key
switch is in START position
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1. Battery has low voltage.
2. Loose or corroded battery connections.
3. Fuse is blown.
4. Spark plug wire is loose or disconnected
5. Faulty spark plug or coil
6. No Fuel or improper fuel.
7. Plugged fuel filter.
8. Defective starter solenoid.
9. Open-circuit in wiring.
1. Engine is cold.
2. Choke not being used or adjusted properly.
3. Plugged fuel filter.
4. Carburetor not adjusted properly or dirty.
5. Engine oil viscosity too heavy.
6. Spark plug is fouled.
7. Faulty spark plug or wire.
8. Loose or corroded electrical connections.
9. Stale or improper fuel.
1. Faulty spark plug.
2. Stale or dirty fuel.
3. Plugged fuel filter.
4. Faulty coil or wire.
1. Poor quality fuel.
2. Very hot weather conditions.
3. Fuel tank vent plugged.
4. Dirt in fuel filter.
1. Blown fuse.
2. Loose or corroded connections.
3. Dead or Faulty battery.
1. Shorted starter solenoid.
2. Key switch not turned to STOP position.
3. Faulty battery.
1. Dead battery.
2. Loose or corroded connections.
1. Idle speed too fast.
2. Gears not lined up. Tap throttle and let it return to idle. If still hard to shift, contact your nearest
Cub Cadet dealer.
1. Faulty bulb.
2. Faulty wiring.
3. Faulty sensor.
Cause(s)
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