2007 Arctic Cat Four-Stroke Factory Service Manual, Page 193Get this manual
Troubleshooting Fuel System (660 cc1100 cc Z1) Problem: Engine Loads UpRuns RoughBlack Smoke Condition Remedy 1Diagnostic trouble code activated 1Replace problem sensor
2Fuel pressure too high 3Fuel return hose obstructed 4Air filterintercooler plugged with icesnow Problem: Fuel StarvationEngine Bogs or Dies Condition 1Diagnostic trouble code activated 2Fuel pressure too low 3Vent hose obstructed 4Fuel filter obstructed 2Replace regulator 3Servicereplace hoseremove obstruction 4Clean air filterintercoolerlocate intake leak
Remedy 1Replace problem sensor
2Replace regulatorfuel pump 3Remove obstruction 4Replace fuel filter