Engine Misfires, Misinjects, Runs Irregularly
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Fouled/defective/worn
spark plugs.
Replace.Weak spark.
Faulty ignition coil(s) or EMS
ECU.
Refer to an authorized
Sea-Doo dealer.
Fuel: Level too low, stale or
water-contaminated.
Siphon and/or refill.
Clogged injectors.
Lean fuel mixture.
Defective sensor or EMS
ECU.
Rich fuel mixture (high fuel
consumption).
Defective sensor or EMS
ECU.
Refer to an authorized
Sea-Doo dealer.
Engine Smoke
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Oil level too high.
Refer to an authorized
Sea-Doo dealer.
Internal engine damage. Refer to an authorized
Sea-Doo dealer.
Water ingestion, coolant
leak or damaged cylinder
head gasket
Refer to an authorized
Sea-Doo dealer.
Engine Overheats
OTHER OBSERVATION POSSIBLE CAUSE REMEDY
Engine coolant level too
low.
Refer to LIQUIDS.
Clogged jet pump water
intake.
Clean.
Clogged exhaust cooling
system.
Flush exhaust cooling
system.
Quick connect adapter left
in flushing connector.
Remove adapter from
flushing connector and retry
watercraft. If problem
persists, refer to an
authorized Sea-Doo dealer.
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