Great Dane GDRZ52-25KHE, GDRZ72-27KHE, GDRZ61-25KAE, GDRZ61-28KHE manual Troubleshooting, Check

	TROUBLESHOOTING
If		Check
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.

Troubleshooting - 60