9-1
STARTING FAILURES
TRBL
SHTG
NOTE:
FUEL SYSTEM
Fuel tankEmpty fuel tank
Clogged fuel filter
Clogged fuel strainer
Clogged fuel tank drain hose
Deteriorated or contaminated fuel
Fuel pump Faulty fuel pump
Faulty fuel pump relay
Throttle body (-ies)
Deteriorated or contaminated fuel
Sucked-in air
Ignition coil(s) Cracked or broken ignition coil body
Broken or shorted primary or secondary
coils
Ignition system Faulty ECU
Faulty crankshaft position sensor
EAS00844
TROUBLESHOOTING
The following guide for troubleshooting does not cover all the possible \
causes of trouble. It should be
helpful, however, as a guide to basic troubleshooting. Refer to the relative procedure i\
n this manual for
checks, adjustments, and replacement of parts.
STARTING FAILURES
ENGINE
Cylinder(s) and cylinder head(s)
Loose spark plug
Loose cylinder head or cylinder
Damaged cylinder head gasket
Damaged cylinder gasket
Worn or damaged cylinder
Incorrect valve clearance
Improperly sealed valve
Incorrect valve-to-valve-seat contact
Incorrect valve timing
Faulty valve spring
Seized valve
Piston(s) and piston ring(s) Improperly installed piston ring
Damaged, worn or fatigued piston ring
Seized piston ring
Seized or damaged piston
Air filter Improperly installed air filter
Clogged air filter element
Crankcase and crankshaft Improperly assembled crankcase
Seized crankshaft
ELECTRICAL SYSTEMS
Battery Discharged battery
Faulty battery
Fuse(s) Blown, damaged or incorrect fuse
Improperly installed fuse
Spark plug(s)
Incorrect spark plug gap
Incorrect spark plug heat range
Fouled spark plug
Worn or damaged electrode
Worn or damaged insulator
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