Maintenance
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3.4.5. Ignition control module (ICM) replacement
<Removal>
1) Close the manual shut off (1/4 turn)
valve.
2) Disconnect the battery ground cable.
3) Disconnect the 3 harness connectors
from the ICM.
4) Remove the ICM mounting hardware.
<Installation>
1) Install the ICM using the original
mounting hardware, and torque
specifications.
2) Install the harness connectors on the
ICM (Ignition control module).
3) Connect the battery ground cable.
4) Open the manual shut off (1/4 turn) valve.
5) Run the vehicle and check for proper
operation.
3.4.6. Fuel metering valve replacement
<Removal>
1) Close all fuel cylinder manual valves. On cylinders with electronic in tank valves, disconnect the
electrical harness connectors from the tank valves.
CAUTION:
Always close the fuel cylinder
valves before servicing the
system.
Close the valves using the valve
manufactures recommended
procedure.
Check for multiple cylinders and
close all the valves before
proceeding. Do not close the
manual shut off (1/4 turn) valve.
2) Relieve fuel pressure by running the engine until it stops.
3) Close the manual shut off (1/4 turn) valve.
4) Disconnect the battery ground cable.
5) Clean the dirt and foreign material from the fuel metering valve.
6) Push in on the spring clip to release, and then disconnect the electrical connector from the fuel injectors.
7) Disconnect the electrical connector from the NGP and NGT sensor.
EJ2OM003
Ignition control module
(ICM)
P62
Ignition coil harness
EJ2OM015
Gas outlet
Gas temperature
sensor
Gas inlet
Gas pressure sensor
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