Fuel Pressure Relieving - Honda Civic 2002-2003 Service Manual

Fuel Supply System
Fuel Pressure Relieving
Before disconnecting fuel lines or hoses, relieve
pressure from the system by disconnecting the fuel
tube/quick connect fitting in the engine compartment.
1. Turn the ignition switch OFF.
2. Remove the PGM-FI main relay 2 IAI.
3. Start the engine, and let it idle until it is stalls.
NOTE: The DTCs or Temporary DTCs P0301, P0302,
P0303, P0304 may come on during this procedure.
If any DTCs are stored, ignore them.
4. Turn the ignition switch OFF.
5. Remove the fuel fill cap, and relieve fuel pressure
in the fuel tank.
6. Remove the engine cover.
7.
Disconnect the negative cable from the battery.
8. Check the fuel quick-connect fitting for dirt, and
clean it if necessary.
11-144
9. Place a rag or shop towel over the quick-connect
fitting IAI.
10. Disconnect the quick-connect fitting IAI: Hold the
connector IBI with one hand and squeeze the
retainer tabs ICI with the other hand to release
them from the locking pawls IDI. Pull the connector
off.
NOTE:
Prevent the remaining fuel in the fuel feed line or
hose from flowing out with a rag or shop towel.
Be careful not to damage the line lEI or other
parts.
Do not use tools.
If the connector does not move, keep the retainer
tabs pressed down, and alternately pull and push
the connector until it comes off easily.
Do not remove the retainer from the line; once
removed, the retainer must be replaced with a
new one.
11. After disconnecting the quick-connect fitting, check
it for dirt or damage Isee page 11-1491.
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