Troubleshooting - MTD 752Z478-SU Manual Del Operador

Troubleshooting

Problem
Engine Fails to start
Engine runs erratically
Engine overheats
Cause
1. Engine flooded
2. Spark plug wire disconnected
3. Fuel tank empty or stale fuel
4. Engine not choked
5. Faulty spark plug
6. Throttle in stop position
1. Spark plug wire loose
2. Spark plug scorched, defective or electrode
gap is set incorrectly
3. Stale fuel
4. Engine running with choke on
5. Water or dirt in fuel system
1. Engine oil level low
Remedy
1. Wait at least 10 minutes before starting
2. Connect wire to spark plug
3. Fill tank with clean, fresh gasoline
4. Choke engine
5. Clean, adjust gap or replace
6. Move throttle to FAST/Run position
1. Connect and tighten spark plug wire
2. Re-adjust electrode gap or change
3. Fill tank with clean, fresh gasoline
4. Move choke to off
5. Drain fuel tank. Refill with fresh fuel
1. Fill engine with proper amount of engine oil
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