Section 7 - Troubleshooting
90-8M0053363
eng
NOVEMBER 2010
Page 133
Poor Performance
Possible Cause
Remedy
Throttle not fully open.
Inspect the throttle cable and linkages for proper operation.
Damaged or improper propeller.
Replace the propeller.
Excessive bilge water.
Drain and check for cause of entry.
Boat overloaded or load improperly distributed.
Reduce load or redistribute load more evenly.
Flame arrestor dirty.
Clean the flame arrestor.
Boat bottom fouled or damaged.
Clean or repair as necessary.
Ignition problem.
See
Engine Runs Rough, Misses or Backfires
.
Engine overheating.
See
Excessive Engine Temperature
.
EFI System fault
Have EFI System checked by an authorized Mercury MerCruiser dealer.
Engine Runs Rough, Misses, or Backfires
Possible Cause
Remedy
Clogged fuel filter.
Replace filter.
Stale or contaminated fuel.
If contaminated, drain tank. Fill with fresh fuel.
Kinked or clogged fuel line or fuel tank vent line. Replace kinked lines or blow out lines with compressed air to remove
obstruction.
Flame Arrestor dirty.
Clean Flame Arrestor.
Faulty ignition system component.
Service ignition system.
Idle speed too low.
Have EFI system checked by an authorized Mercury MerCruiser dealer.
EFI System fault.
Have EFI System checked by an authorized Mercury MerCruiser dealer.
Excessive Engine Temperature
Possible Cause
Remedy
Water inlet or seacock closed.
Open.
Drive belt loose or in poor condition.
Replace or adjust belt.
Seawater pickups or sea strainer obstructed.
Remove obstruction.
Faulty thermostat.
Replace.
Coolant level (if equipped) low in closed cooling section.
Check for cause of low coolant level and repair. Fill system with
proper coolant solution.
Heat Exchanger or Fluid Cooler plugged with foreign material Clean Heat Exchanger, Engine Oil Cooler, and Transmission
Oil Cooler (if equipped).
Loss of pressure in closed cooling section.
Check for leaks. Clean, inspect and test pressure cap.
Faulty seawater pickup pump.
Repair.
Seawater discharge restricted or plugged.
Clean exhaust elbows.
Insufficient Engine Temperature
Possible Cause
Remedy
Faulty thermostat.
Replace.
Содержание Axius 350
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Страница 82: ...Section 3 On The Water Notes Page 74 90 8M0053363 eng NOVEMBER 2010 ...
Страница 122: ...Section 5 Maintenance Notes Page 114 90 8M0053363 eng NOVEMBER 2010 ...
Страница 138: ...Section 6 Storage Notes Page 130 90 8M0053363 eng NOVEMBER 2010 ...