PURSUIT S428 SPORT, Owner'S Manual

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Troubleshooting Guide
E-2
Problem Cause and Solution
Engine Problems
The engine is running too hot.
• 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 alternator is not charging
properly.
• The battery cable is loose or corroded.
Clean and tighten battery cables.
• The alternator is not charging and must be
replaced.
• The engine battery isolator in the charging
system is not working properly. Replace the
isolator.
• The battery is defective. Replace the battery.
The engine suddenly will not operate
over 2000 RPM.
• The engine emergency system has been ac-
tivated. The onboard 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 is loosing RPM. The boat
is not overloaded and the hull bottom
and running gear are clean and in good
condition.
• 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 remote gasoline fuel filter could be dirty.
Inspect and replace the fuel filter.
• The primary fuel filter on the 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
malfunctioning. Repair the fuel injection
system.