99
CA640
Engine Will Not Start, Or Is Hard To Start
Possible Cause Remedy
Improper starting procedure. Read starting procedure.
Empty fuel tank or fuel shutoff
valve closed.
Fill tank or open valve.
Faulty fuel pump.
3.0L: Check sight tube for fuel.
Have Authorized MerCruiser
Dealer replace pump, if fuel is
present.
Choke not operating properly.
Carburetor Models: Check
choke linkages for freedom of
movement.
Engine flooded.
Do not attempt to start engine
for at least 5 minutes. Refer to
Starting Procedures.
Faulty ignition system
component.
Service ignition system.
Clogged fuel filters. Replace filters.
Stale or contaminated fuel.
If contaminated, drain tank. Fill
with fresh fuel.
Fuel line or tank vent line
kinked or clogged.
Replace kinked lines or blow
out lines with compressed air
to remove obstruction.
EFI System Fault (If So
Equipped).
Have EFI System checked by
an Authorized MerCruiser
Dealer.
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