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Home >> Acura >> 2012 >> ZDX >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Supply System >> Fuel Pressure Relieving >> Without the HDS
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Without the HDS

  1. Remove PGM-FI main relay 2 (A) from the Driver's under-dash fuse/relay box.
    Fig 1: Identifying PGM-FI Main Relay 2
    G08072942Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Start the engine, and let it idle until it stalls.
    NOTE: If any DTCs are stored, clear and ignore them.
  3. Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
  4. Remove the fuel fill cap to relieve the pressure in the fuel tank.
  5. Do the battery terminal disconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).
  6. Remove the quick-connect fitting cover (A).
    Fig 2: Identifying Quick-Connect Fitting Cover
    G08072943Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Check the fuel quick-connect fitting for dirt, and clean it if needed.
  8. Place a rag or shop towel over the quick-connect fitting (A).
    Fig 3: Placing Rag Or Shop Towel Over Quick-Connect Fitting
    G08072944Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Disconnect the quick-connect fitting (A): Hold the connector (B) with one hand, and squeeze the retainer tabs (C) with the other hand to release them from the locking tabs (D). Pull the connector off.
    NOTE:
    • Be careful not to damage the line (E) 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.
      Fig 4: Disconnecting Quick-Connect Fitting
      G08072945Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. After disconnecting the quick-connect fitting, check it for dirt or damage.
  11. Do the battery terminal reconnection procedure (see BATTERY TERMINAL DISCONNECTION AND RECONNECTION ).