Fuel System Pressure Release: Mazda6
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2003 Mazda Tribute, 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, and 2003 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Fuel in the fuel system is under high pressure even when the engine is not running.
- Remove the fuel-filler cap and release the pressure in the fuel tank.
- Remove the fuel pump relay. See Fig 1.
- Start the engine.
- After the engine stalls, crank the engine several times.
- Turn the ignition switch to the LOCK position.
- Install the fuel pump relay.