B12837
B12838
B12839
SST
SST
(Hose)
SST
SST
(Hose)
-
SFI
FUEL PUMP
SF-7
1082
Author:
Date:
2001 SIENNA (RM787U)
(d)
Remove the fuel hose clamp.
(e)
Disconnect the No.1 fuel pipe (fuel tube connector) from
the fuel pipe.
CAUTION:
Perform disconnecting operations of the fuel tube
connector (quick type) after observing the precau-
tions (See page
As there is retained pressure in the fuel pipe line, pre-
vent it from splashing inside the engine compart-
ment.
(f)
Install SST (pressure gauge) as shown in the illustration
by using SST and fuel tube connector.
SST
09268-41047, 09268-45014
(g)
Wipe off any splattered gasoline.
(h)
Reconnect the TOYOTA hand-held tester to the DLC3
(See step 1).
(i)
Reconnect the negative (-) terminal cable to the battery.
(j)
Measure the fuel pressure.
Fuel pressure:
301 - 347 kPa (3.1 - 3.5 kgf/cm
2
, 44 - 50 psi)
If pressure is high, replace the fuel pressure regulator.
If pressure is low, check these parts:
Fuel hoses and connections
Fuel pump
Fuel filter
Fuel pressure regulator
(k)
Disconnect the TOYOTA hand- held tester from the
DLC3.
(l)
Start the engine.
(m)
Measure the fuel pressure at idle.
Fuel pressure:
301 - 347 kPa (3.1 - 3.5 kgf/cm
2
, 44 - 50 psi)
(n)
Stop the engine.
(o)
Check that the fuel pressure remains as specified for 5
minutes after the engine has stopped.
Fuel pressure:
147 kPa (1.5 kgf/cm
2
, 21 psi) or more
If pressure is not as specified, check the fuel pump, pressure
regulator and/or injectors.
Содержание RM787U
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