Snowmobile Arctic Cat (2004 year). Manual - part 33
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Problem: Engine Does Not Start (Fuel Does Not Ignite)
Condition
Remedy
1. ECU LED trouble code
2. Spark absent
3. Primary compression low
4. Secondary compression low
5. Engine flooded
6. Gasoline contaminated
1. Service — replace problem component
2. Check for spark — see No Spark at Spark Plugs
sub-section
3. Service engine
4. Service engine
5. Clear engine (hold throttle full-open)
6. Clean tank and entire fuel system
Problem: Engine Does Not Idle
Condition
Remedy
1. ECU LED trouble code
2. Throttle position sensor idle adjustment
incorrect
3. Injector(s) faulty
4. Fuel pressure regulator faulty
5. Air-intake silencer obstructed
1. Service — replace problem component
2. Adjust idle RPM to specifications
3. Replace injector(s)
4. Replace regulator — hose
5. Clean air-intake silencer
Problem: Engine Loses Power or Runs on One Cylinder
Condition
Remedy
1. Sensor faulty
2. Spark plug fouled
3. External coil faulty
4. Gas tank vent — hose obstructed
5. Secondary compression low
6. Fuel pressure regulator faulty
7. Pick-up valve(s) obstructed — out of position
8. Oil-injection pump malfunctioning — adjusted
incorrectly
9. Throttle bodies out of synchronization
10. Injector faulty
11. Dropping resistor faulty
1. Check LED for trouble code — repair — replace
problem circuit or sensor
2. Replace spark plugs
3. Service — replace coil
4. Service — replace vent hose
5. Service engine
6. Replace regulator
7. Replace — relocate pick-up valve(s)
8. Replace — bleed — adjust oil-injection pump
9. Replace throttle bodies from a similar engine —
if problem is corrected, replace the original
assembly
10. Replace injector
11. Test resistor — replace as necessary