PURSUIT 3100 Offshore, Owner'S Manual

Page: 140 / 142

3100 OFFSHORE
140
TROUBLESHOOTING
GUIDE
ENGINE PROBLEMS
The engine is running too hot.
The engine alternator is not charging properly.
The engine suddenly will not operate over 2000 RPM.
The engine is loosing RPM. The boat is not overloaded
and the hull bottom and running gear are clean and in
good condition.
• The engine raw water pick up strainer up is clogged
with marine growth. Clean pick up
• The engine raw water pump impeller is worn or
damaged. Repair the pump.
• The engine thermostat is faulty and needs to be
replaced.
• The engine battery cable is loose or corroded. Clean
and tighten battery cables.
• The alternator is not charging and must be replaced.
• The alternator belt is loose. Tighten or replace the
belt.
• The engine battery isolator in the charging system is
not working properly. Replace the isolator.
• The battery is defective. Replace the battery.
• The engine emergency system has been activated.
The on board computer has sensed a problem and has
limited the RPM to protect the engine. Find & correct
the problem.
• The tachometer is bad and needs to be replaced.
• The engine may be having a problem with a sticky
anti-siphon valve, located in the fuel line near the
fuel tank, that is restricting the fuel flow. Remove &
clean or replace the anti-siphon valve.
• The water separating fuel filter could be dirty. In-
spect and replace the fuel filter.
• The primary fuel filter on the diesel engine may be
dirty. Inspect and replace the fuel filter.
• The electronic engine control system on the engine
is malfunctioning. Repair the engine control system.
• The fuel injection system on the engine is malfunc-
tioning. Repair the fuel injection system.