Wellcraft Cruisers Owner's Manual Page 61

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5-2
FUEL SYSTEM TROUBLESHOOTING
PROBLEM
Fuel overflows at fill plate
(tank not full)
Water or moisture in fuel
tank
Engine cranks but will not
start (fuel system)
CAUSE
Fill or vent line blocked
Cap on deck fuel fill plate
not tight
Condensation forming on
walls of partially filled tank
Poor quality fuel from
marina tanks
Lack of fuel
Clogged fuel filter
No fuel reaching engine
with all fuel valves open.
Contaminated fuel
SOLUTION
Check lines. Clear obstruction from line or
straighten line if kinked.
Check cap; tighten.
Gasoline engines: Add fuel drying product
to fuel supply. See your dealer for recom-
mendations.
Diesel engines: Check fuel/water separa-
tors; drain if necessary. Check with your
dealer.
Follow remedies for “Condensation”
above. If remedies fail to correct problem,
fuel tank and lines may need to be
drained and flushed. See your dealer for
service.
Clean fuel filter, check fuel level; check
whether anti–siphon valve, if so equipped,
is stuck shut.
Improper starting procedure Review start-
ing procedures in engine manual.
Check and replace fuel filter element.
Check fuel pump, fuel pump filter, carbu-
retor fuel filter, and fuel tank line for
cracked flanges or restricted fittings.
Inspect for water or other contaminants in
fuel. If contaminated, drain tank and flush
with fresh fuel.
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