Sea-doo GS5847 Operator's Manual page 90

Engine Misfires, Runs Irregularly
OTHER OBSERVATION
Weak spark.
Lean fuel mixture.
Rich fuel mixture
(high fuel consumption).
Engine Overheats
OTHER OBSERVATION
Monitoring beeper sounds
continuously.
Engine Continually Backfires
OTHER OBSERVATION
Weak spark.
Overheated engine.
Engine Pinging or Knocking
OTHER OBSERVATION
Engine Lacks Acceleration or Power
OTHER OBSERVATION
Overheated engine.
88
POSSIBLE CAUSE
• Fouled/defective/worn
spark plugs.
• Faulty rev limiter.
• Fuel: Level too low, stale
or water-contaminated.
• Clogged fuel injectors.
• Defective sensor or ECU.
• Flame arrester
dirty/clogged.
• Defective sensor or ECU.
POSSIBLE CAUSE
• Clogged jet pump water
intake.
• Clogged coolant system.
POSSIBLE CAUSE
• Fouled/defective/worn
spark plugs.
• See ENGINE
OVERHEATS.
POSSIBLE CAUSE
• Poor quality gasoline/low
octane.
• Spark plug heat range too
high.
• Ignition timing.
POSSIBLE CAUSE
• Clogged fuel injectors.
• Low fuel pressure.
• Stick RAVE valves.
• See ENGINE OVERHEATS.
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REMEDY
Replace.
Refer to an authorized dealer.
Siphon and/or refill.
Refer to an authorized dealer.
Refer to an authorized dealer.
Clean or replace.
Refer to an authorized dealer.
REMEDY
Clean.
Flush cooling system.
REMEDY
Replace.
Refer to an authorized dealer.
REMEDY
Use well known quality and
recommended gasoline.
Use recommended spark plugs.
Refer to an authorized dealer.
REMEDY
Refer to an authorized dealer.
Refer to an authorized dealer.
Refer to an authorized dealer.