Great Dane GDRZ52-25KHE Lawn Mower User Manual


 
Troubleshooting - 60
TROUBLESHOOTING
Engine Runs Rough or Stalls Plugged fuel filter.
Plugged air intake system.
Fuel cap vent dirty.
Stale or improper fuel/fuel level.
Spark plug not gapped correctly.
Replace spark plug.
Carbureted Engines Only: Choke adjusted incorrectly. See your
Great Dane servicing dealer.
EFI system problem - check EFI electrical system and connections.
If problem continues, have system serviced by an authorized Kohler
EFI servicing dealer.
Engine Knocks Engine oil level low.
Reduce load. (Slower ground speed.)
Fuel is bad. Fill tank with fresh fuel, correct octane.
Idle speed too slow.
EFI system problem - check EFI electrical system and connections.
If problem continues, have system serviced by an authorized Kohler
EFI servicing dealer.
Engine Overheats Clean cooling fins.
Low oil level.
Do not operate at slow idle. Operate at full-throttle setting.
Cooling air intake screen is dirty.
Plugged air intake filter.
Operating at too fast ground speed for conditions.
Engine Lacks Power Plugged air intake system.
Plugged fuel filter.
Improper type of fuel. Drain tank and fill with correct fuel.
Clean cooling fins to help prevent overheating.
Replace spark plug.
EFI system problem - check EFI electrical system and connections.
If problem continues, have system serviced by an authorized Kohler
EFI servicing dealer.
Engine Uses Too Much Oil Find and correct oil leaks.
Incorrect engine oil.
Plugged oil filter.
Plugged air intake filter.
If Check