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Trouble
Engine is difficult to
start or will not start
Insufficient engine
power
Engine stops
suddenly
Cause
Key switch is not in the proper position
Wiring
Starter Switch or Solenoid
No or low fuel
Improper or stale fuel
Water or dirt in the fuel system
Air in the fuel system (Diesel only)
Fuel hose or fuel filter clogged or damaged
Air filter is clogged
Spark plug defective (Kohler 750 only)
Engine oil viscosity is wrong
Battery becomes weak and the engine does
not turn over quick enough
Brake pedal is not engaged
Parking Brake safety switch
Faulty glow plugs (Diesel only)
Brake pressure switch has malfunctioned
Fuse is blown
Battery is dead
Loose battery or solenoid connections
Insufficient or dirty fuel
Air cleaner is clogged
Engine is cold
Spark plug defective (Kohler 750 only)
Insufficient fuel
Fuel pump improperly working
Engine is cold
TROUBLESHOOTING
