Cub Cadet Z-Force 44 - Troubleshooting; Engine fails to start

Troubleshooting
8
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Problem Cause Remedy
Engine fails to start 
2.
Drive control levers not in neutral position.
4.
Throttle control lever not in correct starting 5.
position.
Choke not activated.6.
Fuel tank empty, or stale fuel. 7.
8.
Faulty spark plug(s). 
Engine flooded. 

Engage parking brake. 2.
Move drive control levers to the neutral 
position.
Connect wire(s) to spark plug(s). 4.
 5.
6.
7.
old) gas.
Clean fuel line and replace fuel filter. 8.
Clean, adjust gap or replace plug(s). 

Engine runs erratic  
2.
 
Vent in gas cap plugged. 4.
Water or dirt in fuel system. 5.
Dirty air cleaner. 6.

position.
Connect spark plug wire(s). 2.
Clean fuel line; fill tank with clean, fresh 
gasoline and replace fuel filter.
Clear vent or replace cap if damaged. 4.
Drain fuel tank. Refill with clean, fresh 5.
gasoline.
Replace air cleaner paper element or clean 6.
foam pre-cleaner.