Exmark Lawn Tractor manual Engine Troubleshooting Table, Problem

ENGINE TROUBLESHOOTING TABLE

PROBLEM	NO	IMPROPER	DIRT IN	DIRTY AIR	FAULTY	ENGINE	BLOCKED	INCORRECT	DIRTY	INSUFFICIENT
					SPARK		FUEL	OIL	AIR	BATTERY
	FUEL	FUEL	FUEL LINE	FILTER		OVERLOADED
					PLUG		FILTER	LEVEL	SCREEN	CHARGE
Will not start	X		X	X	X	X	X			X
Hard starting	X	X	X	X	X	X	X
Stops suddenly	X		X	X		X	X	X	X
Lacks power		X	X	X	X	X	X	X	X
Operates erratically		X	X	X	X	X	X		X
Knocks or pings		X				X			X
Skips or misfires		X	X	X	X				X
Backfires			X	X	X	X			X
Overheats*			X	X		X		X	X
High fuel				X	X	X			X
consumption

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