Sea-doo RX Shop Manual page 54

Section 03 TROUBLESHOOTING
Subsection 01 (TROUBLESHOOTING CHART)
ENGINE LACKS ACCELERATION OR POWER
OTHER OBSERVATION
Engine revs lower than its
maximum operational
RPM
Peak performance is
delayed until higher RPM
range is reached
ENGINE STOPS RUNNING
OTHER OBSERVATION
Engine was running below
2000 RPM. No
maintenance light.
Engine stalls at idle
Engine start but stops after
approximately 2 sec.
03-01-6
POSSIBLE CAUSE
• Weak spark
• Carburetion, jetting too rich/lean
(carburetor models)
• Throttle does not open fully
(carburetor models)
• Low compression
• Exhaust system restriction
• Water in fuel or oil
• Debris in carburetor needle valve
(carburetor models)
• Impeller leading edge damaged
• Twisted crankshaft
• Clogged direct injectors
(DI models)
• Low fuel pressure
• Incorrect throttle position sensor
(TPS) adjustment (DI models)
• Overheated engine
• RAVE valve does not open
• RAVE valve is stuck opened
POSSIBLE CAUSE
• Electrical noise (DI models)
(
• Low air pressure DI models)
• Engine running out of fuel
(
DI models)
(
• Low air pressure DI models)
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REMEDY
• Check/replace, refer to section ELEC-
TRICAL SYSTEM
• Check/adjust, refer to section FUEL
SYSTEM
• Check/readjust, refer to section FUEL
SYSTEM
• Check/repair, refer to section ENGINE
• Check/clean
• Check/siphon/replace
• Check/clean, refer to section FUEL
SYSTEM
• Check/replace, refer to section PRO-
PULSION SYSTEM
• Check, refer to section ENGINE
• Remove and clean direct injectors
• Check fuel line and fuel pump pressure
• Check and adjust TPS, refer to section
ENGINE MANAGEMENT
• See ENGINE OVERHEATS in this chart
• Check, refer to section ENGINE
• Check, refer to section ENGINE
REMEDY
• Refer to section ENGINE MANAGE-
MENT
• Check air delivery circuit for leaks
• Check air compressor
• Check fuel delivery system for proper
fuel pressure
• Check air system (compressor, air/fuel
rail etc.)
SMR2000-042-03-01.FM