2004 Poalaris MSX110, MSX150 PWC Original Service Manual, Page 154Get this manual
FUEL INJECTIONIGNITIONEXHAUST SYSTEMS General Engine Management Trouble Codes
PCode P0171
Description
Fuel System: Maximum Adaption Limit Reached
Summary
Indicates the airfuel mixture is too lean and the ECU has reached the maximum amount of fuel it can possibly deliverCan be caused by faulty O2 sensor, air leak, faulty injector or any other failure that would cause lean-running conditionOccurs when the engine is running at part-load and the O2 sensor indicates constant RICH fuel condition for an extended period of timeCan be caused by faulty O2 sensor, plugged air intake, leaky injector, or other mechanical failureBoost pressure has exceeded 33 psi (2.3 BAR) of more than 400 millisecondsBattery voltage drops below 10.5 Vdc during operationBattery voltage drops below 10.5 Vdc during operationBattery voltage exceeds regulated limit
Fuel System: Minimum Adaption Level Reached
P0234 P0560 P0562 P0563 P0601 P0604 P0605 P0606