Sienna AWD V6-3.3L (3MZ-FE) (2004)
Fuel Pressure: Testing and Inspection
ON-VEHICLE INSPECTION
1. CHECK FUEL PRESSURE
a. Discharge fuel system pressure.
b. Check that the battery voltage is above 12 V.
c. Disconnect the negative (-) battery cable.
d. Pull out the connecter from a new fuel tube.
HINT: Part No. 23801 20171
e. Disconnect the fuel tube clamp from the fuel tube connector.
f.
Disconnect the fuel tube connector from the fuel pipe while pinching part A with fingers as shown in the illustration.
CAUTION:
-
After taking the precautions, disconnect the fuel tube connector (quick type).
-
As there is retained pressure in the fuel line, prevent it from splashing inside the vehicle compartment.