EFI SYSTEM
40
17 690 15 Rev. --
KohlerEngines.com
Troubleshooting Guide
Condition
Possible Cause
Low Power
Faulty/malfunctioning ignition system.
Dirty air fi lter.
Insuffi cient fuel delivery.
Improper governor adjustment.
Plugged/restricted exhaust.
Basic engine problem exists.
TPS faulty or mounting exists.
Throttle plate in throttle body not fully opening to WOT stop (if equipped).
Function Test
WARNING
High Pressure Fluids can puncture skin and
cause severe injury or death.
Do not work on fuel system without proper
training or safety equipment.
Fluid puncture injuries are highly toxic and hazardous.
If an injury occurs, seek immediate medical attention.
Function of fuel system is to provide suffi cient delivery
of fuel at system operating pressure of 50 psi ± 3. If an
engine starts hard, or turns over but will not start, it may
indicate a problem with EFI fuel system. A quick test will
verify if system is operating.
1. Disconnect and ground spark plug lead.
2. Complete all safety interlock requirements and crank
engine for approximately 3 seconds.
3. Remove spark plug and check for fuel at tip.
a. If there is fuel at tip of spark plug fuel pump and
injector are operating.
b. If there is no fuel at tip of spark plug, check
following:
1. Make sure fuel tank contains clean, fresh,
proper fuel.
2. Make sure that vent in fuel tank is open.
3. Make sure fuel tank valve (if equipped) is fully
opened.
4. Make sure battery is supplying proper voltage.
5. Check that fuses and fuel pump relay are
good, and that no electrical or fuel line
connections are damaged or broken.
6. Test fuel pump operation as described in
original equipment manufacturer's manual.
Fault Codes
Example of Diagnostic Display
One second pause
One second pause
One second pause
One second pause
Three second pause
(0)
(0)
(7)
(6)
(1)
(1)
End Code 61
Fault
Code
0107
Summary of Contents for Carryall 300 2021
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Page 567: ...GASOLINE KEY START MAIN HARNESS Wiring Diagrams Gasoline Key Start Main Harness 26...
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Page 569: ...GASOLINE PEDAL START MAIN HARNESS Wiring Diagrams Gasoline Pedal Start Main Harness 26...
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Page 571: ...GASOLINE INSTRUMENT PANEL HARNESS Wiring Diagrams Gasoline Instrument Panel Harness 26...
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Page 573: ...GASOLINE FNR HARNESS Wiring Diagrams Gasoline FNR Harness 26...
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Page 575: ...ELECTRIC MAIN HARNESS Wiring Diagrams Electric Main Harness 26...
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Page 577: ...ELECTRIC INSTRUMENT PANEL HARNESS Wiring Diagrams Electric Instrument Panel Harness 26...
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Page 579: ...ELECTRIC ACCESSORIES HARNESS Wiring Diagrams Electric Accessories Harness 26...
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