Protege DX L4-2.0L DOHC (2002)
Fuel Pressure Regulator: Component Tests and General Diagnostics
CAUTION: Disconnecting/connecting the quick release connector without cleaning it may possibly cause damage to the fuel pipe and quick release
connector. Always clean the quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
Simulation Test
1. Carry out the "FUEL PRESSURE INSPECTION".
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If not as specified, perform the further inspection for the pressure regulator.
Operation Inspection
NOTE: Perform the following test only when directed.
1. Complete the "BEFORE REPAIR PROCEDURE".
2. Disconnect the battery negative cable.
3. Disconnect the quick release connector from the pulsation damper as follows:
1. Push apart the lock clip and unlock it.
2. Lift the tab on the blue locking coupler until the fuel line can be released.
3. Pull the fuel hose straight back.
NOTE:
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The blue stopper may be removed from the quick connector. Take care not to loose it. Reinstall it to the quick release connector before
reconnecting the fuel line.
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The orange locking coupler has two internal locking tabs which retain the pulsation damper pipe. Be sure that the tab on the locking
coupler is rotated until it stops to release two internal locking tabs.
