Capacitor Test; Fuel Delivery Tests; Fuel Pump Static Test - BRP E250DHLSCS Service Manual

Evinrude e-tec series 250, 300 hp 90 v6 (3.4l)
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SYSTEM ANALYSIS

FUEL DELIVERY TESTS

Capacitor Test

Make sure the capacitor is dis-
IMPORTANT:
charged before testing. Make a momentary con-
nection between the two terminals to ground any
stored energy.
Use an ohmmeter set on the high ohms scale to
test the capacitor. Connect the meter leads to the
capacitor terminals:
If the capacitor is working correctly, it will store
energy from the meter. The resistance reading
will increase until it goes to (nearly) infinity.
If the capacitor is shorted, the reading will
immediately show full continuity.
If there is an open circuit in the capacitor, the
meter will show no continuity.
If the resistance reading starts as a negative num-
ber, or the reading goes down in value, the capac-
itor already retains some stored energy. Ground
the capacitor and test again.
120
FUEL DELIVERY TESTS
WARNING
Protect against hazardous fuel spray.
Before starting any fuel system service,
carefully relieve fuel system pressure.
Refer to Relieving Fuel System Pressure on
p. 174.
Check the Evinrude Diagnostics software Stored
Faults screen for current service codes before
troubleshooting. Correct any problems and clear
the codes FIRST.
Inspect all fuel hoses, filters, and connections.
Check quality of fuel supply.

Fuel Pump Static Test

Use the Evinrude Diagnostics software Fuel
Pump test to activate the electric fuel pump. If the
pump runs, the EMM and fuel pump circuit are not
at fault.
Static Tests Screen
006813

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