Section 7 - Troubleshooting; Troubleshooting Charts; Starter Motor Will Not Crank Engine, Or Cranks Slow; Engine Will Not Start, Or Is Hard To Start - Mercury 1.7 MI Manual

TROUBLESHOOTING
0103

Troubleshooting Charts

Starter Motor Will Not Crank Engine, Or Cranks Slow

Battery switch turned off.
Remote control not in neutral position.
Open circuit breaker or blown fuse.
Loose or dirty electrical connections or
damaged wiring.
Bad battery.
CE534

Engine Will Not Start, Or Is Hard To Start

Lanyard stop switch activated.
Improper starting procedure.
Empty fuel tank or fuel shut off valve
closed.
Faulty electrical stop-circuit.
Clogged fuel filters.
Stale or contaminated fuel.
Fuel line or tank vent line kinked or
clogged.
Air in fuel injection system.
Faulty wire connections.
Glow-plugs or glow-plug system
inoperative, if so equipped.
Injector / injector nozzle malfunction.
Incorrect injection timing.
Page 102
INDEX
Possible Cause
Possible Cause
Remedy
Turn switch on.
Position control lever in neutral.
Check and reset circuit breaker or replace
fuse.
Check all electrical connections and wires
(especially battery cables). Clean and
tighten faulty connection.
Test and replace if bad.
Remedy
Check lanyard stop switch.
Read starting procedure.
Fill tank or open valve.
Have an authorized Cummins MerCruiser
Diesel dealer / distributor service the
electrical stop circuit.
Replace filters.
Drain tank. Fill with fresh fuel.
Replace kinked lines or blow out lines with
compressed air to remove obstruction.
Purge fuel injection system.
Check wire connections.
Test, and repair or replace components.
Have inspected by an authorized
Cummins MerCruiser Diesel dealer /
distributor.
Have inspected by an authorized
Cummins MerCruiser Diesel dealer /
distributor.
CMD-3967823 / 90-865237030 OCTOBER 2003
SECTION 7