11
Troubleshooting Guide
TROUBLESHOOTING AND ELECTRICAL
SYSTEM: GASOLINE VEHICLES
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSES
REFER TO
Spark plug is fouled or in poor condition
Spark plug wire is damaged or loose
See the Kawasaki FH680D engine manual
(CC P/N 103351201).
Intermittent ignition coil failure
Test Procedure 21 – Ignition Spark on page
11-29, Test Procedure 22 – Engine Kill Wire
on page 11-29, and Test Procedure 23 –
Grounded Kill Wire on page 11-30
Water or dirt in the fuel system and/or
carburetor; dirty or clogged fuel filter
Engine starts but does not run smoothly.
Fuel pump malfunction; fuel pressure to
carburetor too low
Fuel tank is empty
Fuel line or filters clogged
Fouled spark plug
Spark plug wire damaged or loose
Section 15 — Gasoline Engine, Muffler, Fuel
Engine flooded with fuel as result of excess
choking
See owner’s manual, Controls and Indicators.
See Choke.
Fuel pump malfunction or failure
Ignition coil failure
Test Procedure 21 – Ignition Spark on page
11-29, Test Procedure 22 – Engine Kill Wire
on page 11-29, and Test Procedure 23 –
Grounded Kill Wire on page 11-30
Kill circuit grounded
Test Procedure 23 – Grounded Kill Wire on
Carburetor solenoid failure
Test Procedure 27 – Carburetor Solenoid
Engine turns but fails to start.
Improper idle governor adjustment
Engine Control Linkages on page 15-21
Fan screen is partially blocked or plugged
See the Kawasaki FH680D engine manual
(CC P/N 103351201).
Governor is improperly adjusted
Engine Control Linkages on page 15-21
Engine overheats.
Carburetor is too lean; check main jet size
Excessive carbon deposits on piston head or
in combustion chamber
See the Kawasaki FH680D engine manual
(CC P/N 103351201).
Spark plug heat range is incorrect
Engine pre-ignites.
Unsuitable or contaminated fuel
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2016 Carryall 1500/1700 and XRT 1550 Maintenance and Service Manual
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