Without the HDS

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

Remove PGM-FI main relay 2 (G) from the under-dash fuse/relay box.

Fig 1: Identifying PGM-FI Main Relay 2
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Start the engine, and let it idle until it stalls.
NOTE: If any DTCs are stored, clear and ignore them.
Turn the ignition switch to LOCK (0).
Remove the fuel fill cap to relieve the pressure in the fuel tank.
Do the battery terminal disconnection procedure (see USING THE GR8 BATTERY DIAGNOSTIC STATION ).
Remove the quick-connect fitting cover (A).

Fig 2: Identifying Quick-Connect Fitting Cover
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Check the fuel quick-connect fitting for dirt, and clean it if needed.
Place a rag or a shop towel over the quick-connect fitting (A).

Fig 3: Identifying Fuel Quick-Connect Fitting
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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 Connector
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
After disconnecting the quick-connect fitting, check it for dirt or damage (see step 4 under Fuel Line/Quick-Connect Fitting Removal ).
Do the battery terminal reconnection procedure (see USING THE GR8 BATTERY DIAGNOSTIC STATION ).