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6E2-22 ENGINE AND EMISSION CONTROL SYSTEM (M13 ENGINE)
(C)
Fuel Delivery System
Fuel pressure inspection
1) Relieve fuel pressure in fuel feed line referring to "Fuel Pres-
2) Disconnect fuel feed hose from fuel delivery pipe.
3) Connect special tools and hose between fuel delivery pipe
(A)
(B)
4) Check that battery voltage is above 11 V.
1
5) Turn ignition switch ON to operate fuel pump and after 2 sec-
6) Start engine and warm it up to normal operating tempera-
7) Measure fuel pressure at idling.
WARNING:
Be sure to perform work in a well-ventilated area and
away from any open flames, or there is a risk of a fire
breaking out.
sure Relief Procedure" in Section 6-2.
CAUTION:
A small amount of fuel may be released when fuel hose is
disconnected. Place container under the joint with a
shop cloth so that released fuel is caught in container or
absorbed in cloth. Place that cloth in an approved con-
tainer.
and fuel feed hose (1) as shown in figure, and clamp hoses
securely to ensure no leaks occur during checking.
Special tool
(A): 09912-58442
(B): 09912-58432
(C): 09912-58490
onds turn it OFF. Repeat this 3 or 4 times and then check
fuel pressure.
Fuel pressure specification
CONDITION
With fuel pump operating and
engine stopped
At specified idle speed
With 1 min. after engine (fuel
pump) stop (Pressure
reduces as time passes)
ture.
If measured pressure does not satisfy specification, refer to
"Diagnostic Flow Table B-3" in Section 6-2 and check each
possibly defective part. Replace if found defective.
FUEL PRESSURE
270 – 310 kPa
2
(2.7 – 3.1 kg/cm
,
38.4 – 44.0 psi)
over 250 kPa
2
(2.5 kg/cm
, 35.6 psi)
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