2014 Polaris Turbo IQ LXT Owners Manual - Page 40

FEATURES Engine Management System To protect the engine, the engine management system will limit engine RPM, vehicle speed or turbo boost (if equipped) if the following conditions are encountered. Under extreme overheating conditions, the system will also stop the engine entirely to prevent engine damage. Vehicle Speed is Limited Cause Reverse is selected Function Reverse Maximum Speed MPH (km/h) 12 (19) 37 (59) 18 (29) 186 (299) Engine will misfire at higher vehicle speed Result Defective rollover switch Rollover Throttle stuck, throttle lever depressed Throttle stuck, throttle safety switch high Maximum vehicle speed Max speed limiter Engine Speed is Limited Cause Reverse is selected, speed sensor error Defective rollover switch, speed sensor error Throttle stuck, throttle lever depressed, speed sensor error Throttle stuck, throttle lever at idle position Function Reverse Rollover Maximum RPM 5300 6000 Engine will misfire at higher engine speed Result Throttle stuck, throttle safety switch high Throttle stuck, throttle safety switch low 5450 2400 8800 2500 ECU cannot determine if reverse or forward selected Maximum vehicle speed, Max speed limiter speed sensor error Reverse failure Reverse Turbo Boost is Limited (Turbo) Indication Illuminated High Temperature Indicator Engine coolant temperature is at or below 122° F (50° C) OR Engine coolant temperature is at or above 203° F (95° C) Intake manifold air temperature is at or below 32° F (0° C) OR Intake manifold air temperature is at or above 158° F (70° C) Overboost condition occurs (Check Engine light will flash) Fuel octane is too low (use the recommended fuel) Operator may feel loss of power Result 38