Exmark Lazer Z Air-cooled series Operator's Manual page 46

NO
PROBLEM
FUEL
X
Will not start
X
Hard starting
X
Stops suddenly
Lacks power
Operates erratically
Knocks or pings
Skips or misfires
Backfires
*
Overheats
High fuel
consumption
6.4 ENGINE WARNING SYSTEMS
For Kohler EFI Units Only:
6.4.1 Electronic Control Unit Malfunction Indicator
The electronic control unit (ECU) continuously monitors operation of the EFI
system. If a problem or fault within the system is detected, the malfunction
indicator light (MIL) is illuminated. The MIL is the red light located on the control
console between the key switch and the throttle controls. Follow the
troubleshooting steps outlined in the Kohler engine operator's manual if the MIL is
illuminated.
ENGINE TROUBLESHOOTING TABLE
IMPROPER DIRT IN DIRTY AIR
FUEL FUEL LINE FILTER
X X
X X X
X X
X X X
X X X
X
X X X
X X
X X
X
- 41 -
FAULTY BLOCKED
ENGINE
SPARK FUEL
OVERLOADED
PLUG FILTER
X X X
X X X
X X
X X X
X X X
X
X
X X
X
X X
INCORRECT DIRTY INSUFFICIENT
OIL AIR BATTERY
LEVEL SCREEN CHARGE
X
X
X
X
X
X
X
X
X
X
X
X