76
Troubleshooting Engine
Problem: Engine Does Not Start (No Spark at Spark Plugs)
Condition
Remedy
1.
Key in the OFF position
2.
Emergency stop switch
in DOWN position —
malfunctioning
3.
Ground connections
dirty — loose
4.
RPS switch
malfunctioning—
5.
Wiring harness
shorting — disconnected
6.
Spark plugs
fouled — damaged
7.
Spark-plug caps
damaged — leaking — shorting
8.
High tension leads/coil
loose — grounded — faulty
9.
Ignition timing sensor
faulty
10.
Stator
faulty
11.
ECM/CCU
faulty
1. Turn key to the ON position
2. Move switch to UP position — replace throttle control
3. Check all ground connections — clean and tight
4. Fully seat cable in control housing — Adjust throttle cable
tension — replace faulty switch
5. Repair — replace — connect wiring harness
6. Clean — replace spark plugs
7. Replace spark-plug caps
8. Service — replace high tension leads/coil
9. Replace sensor
10. Replace stator
11. Replace ECM/CCU
Problem: Engine Does Not Start (No Fuel at Cylinders)
Condition
Remedy
1.
Fuel tank
empty
2.
Fuel Hose
broken — pinched
3.
Fuel tank vent hose
— obstructed
4.
Pick-up valve(s)
obstructed — damaged
5.
Fuel pressure regulator
faulty
6.
Fuel Filter plugged
7.
Fuel pump
faulty
8.
Wiring harness
shorting — disconnected
9.
Injector (s) stuck
closed
10.
Primary compression low
11.
Stator
faulty (Fuel pump or injector coil)
12.
ECM
faulty
1. Fill tank
2. Replace dropping resistor
3. Remove obstruction — replace vent — hose
4. Remove obstruction — replace pick-up valve(s)
5. Replace regulator — hose
6. Replace fuel filter
7. Service — replace fuel pump — connections — wires
8. Repair — replace — connect wiring harness
9. Replace injector(s)
10. Repair — replace damaged — worn engine components
11.Replace stator
12.Replace ECM
Problem: Engine Does Not Start (Fuel Does Not Ignite)
Condition
Remedy
1.
ECM/CCU
trouble code
2.
Spark
absent
3.
Fuel
contaminated
4.
Primary compression
low
5.
Secondary compression
low
6.
Engine
flooded
7.
Sensor(s)
faulty
1. Service — replace problem component
2. Check for spark — see No Spark at Spark Plugs sub-sec-
tion
3. Replace gasoline
4. Service engine
5. Service engine
6. Clear engine (hold throttle full-open)
7. Repair — replace problem sensor
Problem: Engine Does Not Idle
Condition
Remedy
1.
ECM/CCU
trouble code
2.
Throttle position senso
r idle adjustments incorrect
3.
ISC faulty
4.
Reed Petals
chipped or broken
5.
Injector(s)
faulty
6.
Fuel pressure regulator
faulty
7.
Air-intake silencer
obstructed
8.
Exhaust
obstructed
9.
Primary compression
low
10.
Secondary compression
low
1. Service — replace problem component
2. Adjust idle RPM to specifications
3. Replace ISC
4. Replace reed petals
5. Replace injector(s)
6. Replace regulator
7. Clean air-intake silencer
8. Remove obstruction
9. Service Engine
10. Service Engine
Summary of Contents for 2014 XF 2-STROKE
Page 1: ...SNOWMOBILE SERVICE MANUAL 2014 ZR XF M 2 STROKE...
Page 3: ......
Page 39: ...36 600_14_2...
Page 47: ...44 800_12_2...
Page 122: ...119 Troubleshooting Servomotor SERVO1A14...
Page 123: ...120 SERVO2rv14...
Page 152: ...149 0747 413 M Models...
Page 196: ...Printed in U S A Trademarks of Arctic Cat Inc Thief River Falls MN 56701 p n 2259 956...