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Mercury TDI 3.0L User Manual

Mercury TDI 3.0L
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2.
Intermittent short beeps for six seconds: Indicates a noncritical engine condition. This condition does not require
immediate attention. You may continue using your boat, however, depending on the nature of the problem, the engine’s
power may be limited by the Engine Guardian system to protect the engine. You should contact your servicing dealer at
your earliest convenience.
It is important to note that in either of the above scenarios, the horn will only sound one time. If you key the engine off and
restart it, the horn will sound again, one time, if the fault is still present.
A few of the noncritical conditions indicated by the intermittent short beeps for six seconds can be corrected by the operator.
These operator correctable conditions are as follows:
Water in the fuel filter. Refer to Maintenance – WaterSeparating Fuel Filter.
Cooling system (water pressure or engine temperature) problem. Stop the engine and check the water intake holes in the
lower unit for obstruction.
Low engine oil level. Refer to Maintenance – Engine Oil.
Engine Guardian System
The Engine Guardian system monitors the critical sensors on the engine for any early indications of problems. Engine Guardian
is functional whenever your engine is operating, so you never have to be concerned about whether or not you are protected.
The system will respond to a problem by sounding the warning horn for six seconds and/or reducing engine power in order to
provide engine protection.
If Engine Guardian has been activated, reduce the engine speed. The problem will need to be identified and corrected. The
system must be reset before the engine will operate at higher speeds. Moving the throttle lever back to the idle position will
reset the Engine Guardian system. If the Engine Guardian system has determined the reset has not corrected the problem,
Engine Guardian will remain activated, limiting the throttle. The problem must be identified and corrected before Engine
Guardian will allow the engine to reach a normal operating RPM.
Controls
Switches
Four‑Position Key Switch
38160
"OFF" ‑ In the "OFF" position, all electrical circuits are off. The engine will not operate with
the key switch in the "OFF" position.
"ACC" ‑ In the "ACC" position, any accessories connected to the electrical circuits can be
operated. The engine will not operate with the key switch in the "ACC" position.
"ON" ‑ In the "ON" position, all electrical circuits and instrumentation receive power. The
engine can be started with an optional start‑stop switch.
"START" ‑ Turn the key to the start position and release to start the engine.
NOTE: The key can only be removed with the key switch in the "OFF" position.
Dual‑Engine Start‑Stop Switch
28082
A start‑stop switch is optional equipment. The start‑stop switch works in conjunction
with the key switch. There is one start‑stop switch for each engine. Each button on a
multiengine start‑stop switch functions independently. The key switch must be in the
run position to start a stopped engine with the start‑stop switch. Pressing a start‑stop
switch button when an engine is running will shut down the corresponding engine.
Section 1 - Getting to Know Your Power Package
90-8M0145546 eng MAY 2018 Page 9

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Mercury TDI 3.0L Specifications

General IconGeneral
BrandMercury
ModelTDI 3.0L
CategoryEngine
LanguageEnglish

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