LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2004 >> 3 L4-2.3L >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Service and Repair >> Before Service Precaution
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Before Service Precaution

BEFORE SERVICE PRECAUTION

WARNING:
- Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
- Fuel line spills and leakage from the pressurized fuel system are dangerous. Fuel can Ignite and cause serious injury or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure".


CAUTION: If there is foreign material on the connecting area of the quick release connector, It might damage the connector or fuel pipe. To prevent this, disconnect the connector and clean the connecting area before connecting.

Fuel Line Safety Procedure
1. Remove the fuel-filler cap to release the pressure inside the fuel tank.




2. Remove the fuel pump relay.
3. Start the engine.
4. After the engine stalls, crank the engine several times.
5. Turn the ignition switch to the LOCK position.
6. Install the fuel pump relay.