ES 330 V6-3.3L (3MZ-FE) (2004)
Fuel Pressure: Testing and Inspection
ON-VEHICLE INSPECTION
1. CHECK FUEL PRESSURE
(a) Discharge the fuel pressure and take precautions against possible fuel spillage.
(b) Check that tha battery voltage is above 12 V.
(c) Disconnect the engine wire No.3 (battery negative terminal).
(d) Pull out the fuel tube connector from a new fuel tube.
HINT: Part No.23801-20190
(e) Remove the fuel pipe clamp.
(f) Disconnect the quick connector from the fuel pipe by pinching portion A with your fingers as shown in the illustration.
CAUTION:
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After taking the precautions, disconnect the quick connector.
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As pressure remains in the fuel line, prevent it from splashing inside the engine compartment.