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45
17 690 15 Rev. --
KohlerEngines.com
EFI SYSTEM
Code 0171
Component: Fuel System
Fault:
Maximum adaptation limit exceeded
Condition:
Fuel inlet screen/fi lter plugged, low
pressure at high pressure fuel line, TPS
malfunction, shorted connection, faulty
sensor, low fuel or wrong fuel type.
Conclusion: Oxygen Sensor Related
● Corrosion or poor connection.
● Sensor contaminated or damaged.
● Air leak into exhaust.
● Poor ground path.
● Pin circuit wiring or connectors.
ECU Black pin 10 or Black pin 17.
TPS Sensor Related
● Throttle plate position incorrect during
Learn procedure.
● TPS problem or malfunction.
Engine Wiring Harness Related
● Diff erence in voltage between sensed
voltage and actual sensor voltage.
● Problem in wiring harness.
● ECU-to-harness connection problem.
Systems Related
● Ignition (spark plug, plug wire, ignition
coil).
● Fuel (fuel type/quality, injector, fuel
pressure too low, fuel pump).
● Combustion air (air cleaner dirty/
restricted, intake leak, throttle bore).
● Base engine problem (rings, valves).
● Exhaust system leak (muffl er, fl ange,
oxygen sensor mounting boss, etc.).
● Fuel in crankcase oil.
Code 0172
Component: Fuel System
Fault:
Minimum adaptation limit exceeded
Condition:
Too high pressure at high pressure fuel
line, TPS malfunction, shorted
connection, faulty sensor or fuel pump
failure.
Conclusion: Oxygen Sensor Related
● Sensor connector or wiring.
● Sensor contaminated or damaged.
● Poor ground path.
● Pin circuit wiring or connectors.
ECU Black pin 10 or 17.
TPS Sensor Related
● Throttle plate position incorrect during
Learn procedure.
● TPS problem or malfunction.
Engine Wiring Harness Related
● Diff erence in voltage between sensed
voltage and actual sensor voltage.
● Problem in wiring harness.
● ECU-to-harness connection problem.
Systems Related
● Ignition (spark plug, plug wire, ignition
coil).
● Fuel (fuel type/quality, injector, fuel
pressure too high, fuel pump).
● Combustion air (air cleaner dirty/
restricted).
● Base engine problem (rings, valves).
● Fuel in crankcase oil.
Summary of Contents for Carryall 300 2021
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Page 551: ...80 2018 by Kohler Co All rights reserved KohlerEngines com 17 690 15 Rev...
Page 565: ...GASOLINE ENGINE HARNESS Wiring Diagrams Gasoline Engine Harness 26...
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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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