Troubleshooting - Cub Cadet 435A Operator's Manual

10
Trouble
Shooting
For repairs beyond
minor adjustments
or corrections,
contact your nearest
Cub Cadet service
dealer or call
1-877-282-8684.
If you would like
to order a Service
Manual, please
call the Publications
Department at
800-800-7310,
and order
Form# 770-0909G.
Problem
Engine will not start
Engine is hard
to start
Engine misses
under load
Engine vapor locks
Engine runs unevenly
Engine overheats
Uneven cut
Engine knocks
Possible Cause(s)
Battery has low voltage.
Loose or corroded battery connections.
Fuse is blown.
Spark plug wire is loose or disconnected.
Faulty spark plug or coil.
Fuel shut-off valve turned off.
No Fuel or improper fuel.
Plugged fuel filter.
Defective starter solenoid.
Open-circuit in wiring.
Engine is cold.
Plugged fuel filter.
Carburetor not adjusted properly or dirty.
Engine oil viscosity too heavy.
Spark plug is fouled.
Faulty spark plug or wire.
Loose or corroded electrical connections.
Stale or improper fuel.
Choke not being used or adjusted incorrectly.
Faulty spark plug.
Stale or dirty fuel.
Plugged fuel filter.
Faulty coil or wire.
Poor quality fuel or methanol.
Very hot weather conditions.
Fuel tank vent plugged.
Dirt in fuel filter.
Loose electrical connections.
Choke or throttle cable sticking.
Fuel line or fuel filter plugged.
Stale or dirty fuel.
Improper fuel.
Air cleaner element plugged.
Carburetor not adjusted correctly.
Spark plug is fouled.
Air cleaner element missing or plugged.
Carburetor air intake tube plugged.
Engine oil low.
Engine operated too long at slow engine speed.
Air cleaner element missing or plugged.
Carburetor air intake tube plugged.
Engine oil low.
Engine operated too long at slow engine speed.
Low engine speed.
Stale or low octane fuel.
Engine overloaded.
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