Marinediesel 5L V8, Owner'S Manual, Page: 156 / 248

154
NOTE: Items underlined are the most likely cause of the condition.
WILL NOT START – HOT (Continued)
PROBLEM CORRECTION/FURTHER DIAGNOSIS
ƒ
Incorrect fuel return from injection pump
ƒ
Incorrect fuel shut-off solenoid operation
ƒ
Slow cranking speed
ƒ
Check fuel return line on top of injection
pump for restrictions or debris.
ƒ
Insure fuel shut-off solenoid wire is
attached at the injection pump.
ƒ
Check the following, if needed:
-Battery state-of-charge
-Cranking system operation
-Charging system operation
ENGINE STARTS, THEN STALLS
PROBLEM CORRECTION/FURTHER DIAGNOSIS
ƒ
Incorrect fuel viscosity (hot/cold ambient
temperature)
ƒ
Outside air intake or air filter restricted
ƒ
Air leakage or restriction in air inlet duct or
intake manifold
ƒ
Restricted exhaust system
ƒ
Incorrect fuel supply to injection pump (air
in fuel)
ƒ
Incorrect fuel return from injection pump
ƒ
Incorrect fuel shut-off solenoid operation
ƒ
Check specific gravity of fuel (Use fuel
quality hydrometer). Inspect and clean fuel
tank, if needed.
ƒ
Disassemble air filter to inspect element;
with air filter disassembled, check outside
air intake.
ƒ
Check air inlet duct bolt and clamp
tightness; check intake manifold bolt/stud
tightness; disassemble and inspect air inlet
duct; with air inlet duct removed, check
intake manifold runners.
ƒ
Inspect exhaust system for collapsed pipes
or muffler.
ƒ
Tighten fittings at fuel/water separator and
fuel pump.
ƒ
Check fuel return line on top of injector
pump for restrictions or debris.
ƒ
Insure fuel shut-off solenoid wire is
connected to the top of injector pump.