Mazda 3 Service Manual: Before Service Precaution [Mzr 2.0, Mzr 2.5]

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”.

• A person charged with static electricity could cause a fire or explosion, resulting in death or serious injury. Before performing work on the fuel system, discharge static electricity by touching the vehicle body.

Fuel Line Safety Procedure

1. Remove the battery cover..

2. Disconnect the negative battery cable..

3. Remove the fuel-filler cap to release the pressure inside the fuel tank.

4. Remove the fuel pump relay.

5. Connect the negative battery cable..

6. Start the engine.

7. After the engine stalls, crank the engine 2—3 times.

8. Switch the ignition to off.

9. Disconnect the negative battery cable..

10. Install the fuel pump relay.