Section 5
5-20
Owner’s/Operator’s Manual
Problem
Probable Cause
Corrective Action
No oil pressure
Gauge, gauge tube,
Replace gauge or tube, and tighten
or oil line defective
or replace line as necessary.
No oil in engine
Fill with proper grade and viscosity
oil. (See Engine Operation and
Maintenance Manual.)
High oil pressure
Oil grade too heavy
Drain oil and replace with proper
grade. (See Engine Operation and
Maintenance Manual.)
Dirt or obstruction
Drain and clear oil system. Check
in oil lines
for bent or flattened oil lines and
replace as required.
Knocking or
Fuel incorrect
Drain tank and replace with proper
pinging
fuel.
Timing incorrect
Time engine. (See Engine Operation
and Maintenance Manual.)
Pre-ignition
Clean or replace spark plugs and
occurring
check engine timing.
Engine overheated
Check engine cooling system.
Cooling system
Check water intake connections for
problem
leaks.
Rough running
Choke not operating
Check choke linkages for binding or
obstruction.
Fuel pump faulty
Refer to Engine Operation and
Maintenance Manual for fuel pump
testing procedures.
Idle speed too low
Check idle speed and adjust.
Ignition system
Service ignition system. (See Engine
components faulty
Operation and Maintenance Manual.)
Fuel filter clogged
Replace fuel filter.
Fuel contaminated
Inspect fuel for water or other
contaminants. If contaminated, drain
tank and flush with fresh fuel.
Crownline_OM_sec5:Crownline OM 11/10/2006 3:19 PM Page 5-20
