Exmark Lazer ZHP - Manual (Page 42)

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ENGINE TROUBLESHOOTING TABLE
PROBLEM NO
FUEL
IMPROPER
FUEL
DIRT IN
FUEL LINE
DIRTY AIR
FILTER
FAULTY
SPARK
PLUG
ENGINE
OVERLOADED
BLOCKED
FUEL
FILTER
INCORRECT
OIL
LEVEL
DIRTY
AIR
SCREEN
Will not start 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
consumption
X X X X