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6-2-6 ENGINE GENERAL INFORMATION AND DIAGNOSIS (M13 ENGINE)
2
3) Disconnect fuel pump relay (1) from relay box (2).
4) Remove fuel filter cap to release fuel vapor pressure in fuel
tank and then reinstall it.
5) Start engine and run it till it stops for lack of fuel. Repeat
1
cranking engine 2-3 times for about 3 seconds each time to
dissipate fuel pressure in lines. Fuel connections are now
safe for servicing.
6) Upon completion of servicing, connect fuel pump relay (1) to
relay box (2) and install relay box cover.
Fuel leakage check procedure
After performing any service on fuel system, check to make sure
that there are no fuel leakages as follows.
1) Turn ON ignition switch for 3 seconds (to operate fuel pump)
and then turn it OFF.
Repeat this (ON and OFF) 3 or 4 times and apply fuel pres-
sure to fuel line (till fuel pressure is felt by hand placed on
fuel feed hose).
2) In this state, check to see that there are no fuel leakages
from any part of fuel system.
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