2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 110Get this manual
EFIIgnition Systems EFIIgnition System Troubleshooting
SYMPTOMISSUE POSSIBLE CAUSE
BatteryCharging System
POSSIBLE SOLUTION
Check battery conditionRe-charge battery if possible or replaceVerify alternator field coils activate(Headlights turn-on) Verify wire connectionsTest safety slap switch functionVerify throttle flipper functionUse Digital Wrench to view any trouble codesInspect: Fuel Filter Fuel Level Fuel Pump Pressure Fuel Hoses Fuel Tank Vent System Fuel PumpFuse Box Connections Verify there are no obstructionsClean breather foamCheck FST air filterCheck Idle Air Controller (IAC) Operation Verify there is no fueloil residue, pooling within intake systemCheck hose and pipe connectionsUse Digital Wrench to view any trouble codesVerify there are no obstructionsClean breather foamCheck FST air filterCheck Idle Air Controller (IAC) Operation Verify there is no fueloil residue, pooling within intake systemCheck hose and pipe connectionsInspect: Fuel Filter Fuel Level Fuel Pump Pressure Fuel Hoses Fuel Tank Vent System Fuel PumpFuse Box Connections FST BoostVacuum Reference Hoses Dump Valve Fouled, Worn Out Spark Plug Verify Function, hose connectionsVerify wastegate arm moves freely, is not stuckCheck wastegate solenoid functionVerify intercooler is not plugged, loose connections