Section 03
TROUBLESHOOTING
Subsection 01
(TROUBLESHOOTING CHART)
SMR2000-006_03_01A.FM
03-01-3
ENGINE MISFIRES, RUNS IRREGULARLY
OTHER OBSERVATION
POSSIBLE CAUSE
REMEDY
Weak spark
• Fouled, defective, worn spark plugs
• Check/verify heat range/gap/replace
• Faulty rev limiter or ignition module
• Check, refer to subsection 08-02
• Sheared flywheel key
• Check timing mark, refer to subsection
08-02
• Faulty ECU (RFI)
• Check faulty codes in ECU memory,
refer to subsection 06-05
Lean fuel mixture.
Dry spark plug
(except when water fouled)
• Low fuel level
• Check/refill
• Low fuel pressure
• Check pump, regulator, injectors and
hose pinchers or if filter is plugged.
Replace if necessary
• Stale or water fouled fuel
• Check/siphon and refill
• Fuel filter dirty or restricted
• Check/clean/replace
• Carburetion dirty or out of adjustment • Check/clean/adjust, refer to
subsection 06-04
• Gloqqed fuel injectors (RFI)
• Remove and clean injectors
• Defective sensor or ECU (RFI)
• Check faulty codes in ECU memory,
refer to subsection 06-05
• Leaking crankshaft seal(s), intake or
rotary valve cover O-ring
• Pressure check engine, refer to
subsection 04-02
• Restricted fuel valve
• Check/replace
• Loose carburetor
• Tighten carburetor(s)
Rich fuel mixture.
Fouled spark plug
• Partially closed choke
• Check/adjust choke cable
• Flame arrester dirty or restricted
• Check/replace
• Carburetor adjustment
• Check/adjust, refer to subsection
06-04
• Loose main jet
• Check, refer to subsection 06-04
• Defective fuel injector(s)
• Remove and replace fuel injector(s),
refer to subsection 06-05
• Defective sensor or ECU (RFI)
• Check faulty codes in ECU memory,
refer to subsection 06-05
• Rotary valve shaft seal leaking
(if applicable)
• Check/replace, refer to subsection
04-07
• Oil pump adjustment
• Check/adjust, refer to subsection
07-03
• Worn needle(s) and seal(s)
• Check, refer to subsection 06-04
• Excessive rotary valve clearance
(if applicable)
• Check, refer to subsection 04-07
• High fuel pressure
• Check pump, regulator, injectors, hose
pinchers or if filter is plugged. Replace
if necessary
Difficult to start
• Incorrect rotary valve timing
(if applicable)
• Check/adjust, refer to subsection
04-07
• Excessive rotary valve clearance
(if applicable)
• Check, refer to subsection 04-07
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Summary of Contents for 2001 GS
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Page 2: ...2000 Shop Manual VOLUME 1 GS GTI GTS GTX XP GSX RFI GTX RFI www SeaDooManuals net ...
Page 442: ...SMR2000 034_14_00A FM GS MODEL 5644 5827 www SeaDooManuals net ...
Page 443: ...SMR2000 034_14_00A FM F00Z01 www SeaDooManuals net ...
Page 444: ...SMR2000 034_14_00A FM XP MODEL 5651 5655 www SeaDooManuals net ...
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