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POSSIBLE CAUSE SOLUTION
Loose ignition connections Check all connections and tighten
Low battery voltage Recharge the battery
Incorrect fuel Replace with fresh recommended fuel
Clogged air filter Inspect and clean or replace
Clogged intake pre-filter Inspect and clean (with soapy water) or replace
Other mechanical failure Your authorized dealer can assist
Overheated engine Clean radiator screen and core, clean engine exterior, and check
coolant level. Your dealer can assist.
DIAGNOSTIC DISPLAY CODE DEFINITIONS
Open Load:There is a break in the wires that lead to the item listed in the chart
(injector, fuel pump, etc.), or the item has failed.
Short-to-Ground:The wire is shorted to ground between the electronic control
unit and the item listed in the chart.
Shorted Load:The wires leading to the item listed in the chart are shorted
together, or the item has shorted internally.
Short-to-Battery:The wire leading from the item listed in the chart to the
electronic control unit is shorted to a wire at battery voltage.
DIAGNOSTIC CODES
COMPONENT CONDITION SPN FMI
Throttle Position
Sensor
Voltage Too High
51 3
Voltage Too Low
51 4
Engine Temperature
Sensor
Voltage Too High
110 3
Voltage Too Low
110 4
Temperature Too High
110 16
Engine Overheat
Shutdown
110 0
Intake Air
Temperature Sensor
Voltage Too High
105 3
Voltage Too Low
105 4
Manifold Absolute
Pressure Sensor
Voltage Too High
102 3
Voltage Too Low
102 4
156
TROUBLESHOOTING
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