Avalon XLS V6-3.0L (1MZ-FE) (1998)
(f) Install SST (pressure gauge) as shown in the illustration by using SST and fuel tube connector. SST 09286-41046,09268-41250, 09268-45012
(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/sq.cm, 44 - 50 psi)
If pressure is high, replace the fuel pressure regulator. If pressure is low, check these parts:
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Fuel hoses and connections
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Fuel pump
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Fuel filter
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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/sq.cm, 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/sq.cm, 21 psi) or more
If pressure is not as specified, check the fuel pump, pressure regulator and/or injectors.
(p) After checking fuel pressure, disconnect the negative (-) terminal cable from the battery and carefully remove the SST and fuel tube connector
to prevent gasoline from splashing. SST 09268-41046, 09268-41250, 09268-45012
(q) Reconnect the No.1 fuel pipe (fuel tube connector).
CAUTION: Perform connecting operations of the tube connector (quick type) after observing the precautions.