CLEANING & STORAGE
201
General troubles and causes
Problem Component Cause Solution
Engine fails to
start
Fuel System
No fuel in fuel tank Refuel
Pump blockage or damage: poor fuel quality Clean or replace
Ignition System
Spark plug failure: excessive carbon deposits, too long
time usage
Clean or replace
Spark plug cap failure: Poor contact or burning Clean or replace
Ignition coil failure: poor contact or burning Clean or replace
ECU failure: Poor contact or burning Clean or replace
Trigger coil failure: poor contact or burning Clean or replace
Stator failure: poor contact or burning Clean or replace
Wiring failure: poor contact Inspect or adjust
Cylinder
compression
Starting mechanism failure: worn or damaged Clean or replace
Intake and exhaust valves, valve seats faulty: too
much fuel colloidal or too long time use
Clean or replace
Cylinder, piston, piston ring failure: too much fuel
colloidal or wear
Clean or replace
Intake manifold leakage: too long time use Clean or replace
Valve timing faulty Clean or replace