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TOHATSU MFS 15E Series User Manual

TOHATSU MFS 15E Series
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77
11
TROUBLESHOOTING
ENOM00326-0
If you encounter a problem, consult the check list below to determine the cause and to
take the proper action.
An authorized dealer will always be happy to provide any assistance and information.
* Low speed ESG operates.
Engine will not start.
Engine stalls immediately after starting.
Defective idling
Defective acceleration
Engine speed is very high causing
high speed ESG to operate.
Engine speed is very low, causing
low speed ESG to operate.
Boat cannot run at high speed.
Engine overheats.
Battery is not charged.
Starter motor will not operate.
Power tilt will not operate.
Warning lamp is lit.
Warning lamp blinks.
Possible cause
Fuel and Lubrication Systems
{{ Fuel level is low in the tank.
{{{{ {{{ Fuel system connection is incomplete.
{{{{ {{{ Fuel system sucks air.
{{{{ {{{ Fuel pipe is twisted.
{{{{ {{{ Cap vent is closed.
{{{{ {{{ Fuel filter, fuel pump or injector is clogged.
{{{ {{ Low quality gasoline is used.
{ Primer bulb is clogged.
{{{{ {{{ Fuel feed pump (FFP) malfunctions or is clogged.
{
* {*
Water temperature sensor or MAP (Manifold Pressure) sensor is
defective or the sensor circuit is disconnected.
{{ {{{ Low quality engine oil is used.
{{ Engine oil quantity excessive (Exhaust smoke is generated.)
{
* {{* Engine oil is lacking (Oil pressure switch operates).
{
* {{* Oil filter is clogged (Oil pressure switch operates).
{
* {{* Oil pump is defective (Oil pressure switch operates).
Electrical System
{{{{ {{{ Use of spark plugs not specified.
{{{{ {{ Spark plug is contaminated.
{{{{ {{ No sparks or weak spark.
{ Stop switch short-circuited.
{ Stop switch lock is not put.
{{{{Defective wiring, ground, wire disconnected or loosened.
{{{{Battery charging is defective, or rectifier malfunctions.
Cel
l
({)
{{{
Battery is dead, connection is loose or corroded. Battery
electrolyte level is low.
{{{{20A fuse is blown.
{{Shift lever neutral (N) position is not proper.
{{{Start switch or main switch is defective.
{{Starter motor or starter solenoid operation is defective.
{ PT switch or solenoid is defective.
{ Air is mixed in PT fluid.

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TOHATSU MFS 15E Series Specifications

General IconGeneral
BrandTOHATSU
ModelMFS 15E Series
CategoryOutboard Motor
LanguageEnglish

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