2007 Arctic Cat Four-Stroke Factory Service Manual, Page 117Get this manual
Troubleshooting Engines Problem: Engine Does Not Start (No Spark at Spark Plugs) Condition Remedy 1Check all ground connections clean and tight 1Ground connections dirty loose 2Repair replace connect wiring harness 2Wiring harness shorting disconnected 3Emergency stop switch in DOWN position 3Move switch to UP position replace throttle control malfunctioning 4Adjust throttle cable tension replace throttle 4Throttleignition monitor switch malfunctioning body assembly 5Spark plugs fouled damaged 5Clean replace spark plugs 6Idle speed control (ISC) not functioning 6Turn ignition switch ON and OFF listen for stepping motor operation 7Replace ECU 7ECU faulty 8Replace sensor 8Ignition timing sensor faulty Problem: Engine Does Not Start (No Fuel at Cylinders) Condition Remedy 1Gas tank empty 1Fill tank 2Fuel pressure regulator faulty 2Replace regulator (in gas tank660 non-turbo) or (on fuel rail660 turbo) 3Replace gasoline 3Gasoline contaminated 4Service replace fuel pump connections 4Fuel pump faulty wires 5Replace service hose 5Fuel hose broken pinched 6Remove obstruction replace vent hose 6Gas-tank vent hose obstructed 7Remove obstruction replace pick-up valve(s) 7Pick-up valve(s) obstructed damaged 8Repair replace damaged worn engine 8Compression absent components 9Replace ECU 9ECU faulty