Problem
Component
Fuel system
Ignition system
Failed engine
Cylinder system
COMMON PROBLEMS AND CAUSES
Pump blockage or damage: poor fuel quality
Spark plug failure: excessive carbon deposits, too
Spark plug cap failure: Poor contact or burning
Ignition coil failure: poor contact or burning
ECU failure: Poor contact or burning
Trigger coil failure: poor contact or burning
Stator failure: poor contact or burning
Starting mechanism failure: worn or damaged
Intake and exhaust valves, and valve seats failure:
too much fuel colloidal or too long-time use
Cylinder, piston, piston ring failure: too much fuel
Intake pipe leakage: too long-time use
Cause
No fuel in fuel tank
long-time usage
Wiring failure: poor contact
colloidal or wear
Valve timing failure
150
Solution
Refuel
Clean or replace
Inspect or replace
Inspect or replace
Inspect or replace
Inspect or replace
Inspect or replace
Inspect or replace
Inspect or adjust
Inspect or replace
Inspect or replace
Inspect or replace
Inspect or replace
Inspect or replace