Cub Cadet ZT1 46 Operation Manual - Page 12

Troubleshooting 7 Problem Engine Fails to start Engine runs erratic Engine overheats Occasional skips (hesitates) at high speed Idles poorly Cause 1. Choke not activated. 2. Spark plug boot disconnected. 3. Fuel tank empty or stale fuel. 4. Faulty spark plug. 5. Reduced fuel flow/Blocked fuel filter. 6. Engine flooded. 7. Dead battery. 8. Blown fuse. 1. Spark plug boot loose. 2. Reduced fuel flow/Blocked fuel filter. 3. Vent in gas cap plugged. 4. Water or dirt in fuel system. 5. Dirty air cleaner. 6. Engine running with CHOKE activated. 1. Engine oil level low. 2. Air flow restricted. 1. Spark plug gap too close. Remedy 1. Place throttle/choke control in CHOKE position. 2. Connect wire to spark boot. 3. Fill tank with clean, fresh gasoline. 4. Clean, adjust gap, or replace. 5. Replace fuel filter as instructed in the Maintenance section. 6. Crank engine with throttle in FAST position. 7. Recharge battery. See equipment operator's manual. 8. Replace blown fuse. See equipment operator's manual. 1. Connect and tighten spark plug boot. 2. Replace fuel filter as instructed in the Maintenance section. 3. Clear vent. 4. Drain fuel tank. Refill with fresh fuel. 5. Replace air cleaner element and/or clean pre-cleaner. 6. Move throttle/choke control out of CHOKE position. 1. Fill crankcase with proper oil. 2. Clean grass clippings and debris from around the engine's cooling fins and blower housing. 1. Remove spark plug and adjust gap. 1. Spark plug fouled, faulty, or gap too wide. 2. Dirty air cleaner. 1. Reset gap or replace spark plug. 2. Replace air cleaner element and/or clean pre-cleaner. 12