ELECTRICAL AND ECU
BY Service Manual
12-31
Repair
Replacing Fuel Temperature Sensor
1. Disconnect the battery negative (-) cable.
2. Shut off all valves in fuel supply system.
3. Remove intake manifold. See Intake Manifold
on page 5-70.
Figure 12-33
4. Disconnect electrical connector from sensor
(Figure 12-33, (1)).
5. Loosen hose clamps (Figure 12-33, (2)) and
remove hoses from sensor.
6. Installation is in the reverse of removal.
7. Install intake manifold. See Intake Manifold on
page 5-70.
8. Bleed fuel system. See Bleeding the Fuel
System on page 6-29.
9. Start engine and check for fuel leaks.
0003688A
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1
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2
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A WARNING
HIGH PRESSURE HAZARD!
• Avoid skin contact with high pressure
diesel fuel spray caused by a fuel
system leak such as a broken fuel
injection line. High pressure fuel can
penetrate your skin and result in
serious injury. If you are exposed to
high pressure fuel spray, obtain
prompt medical treatment.
• NEVER check for a fuel leak with your
hands. ALWAYS use a piece of wood
or cardboard. Have your authorized
Yanmar marine dealer or distributor
repair the damage.
• Failure to comply could result in death
or serious injury.
0000008enMarine
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