Fuel Leakage Test

WARNING:

Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Always carry out the following procedure with the engine stopped.

NOTE:

Complete the "BEFORE REPAIR PROCEDURE". (See BEFORE REPAIR PROCEDURE .)
Disconnect the negative battery cable.
Remove the fuel injectors together with the fuel distributor with connected to fuel hose. (See FUEL INJECTOR REMOVAL/INSTALLATION .)
Fasten the fuel injectors firmly to the fuel distributor with wire.
Connect the negative battery cable.
CAUTION:
- Connecting the wrong DLC terminal may possibly cause a malfunction. Carefully connect the specified terminal only.
  
  Fig 1: Fastening Fuel Injectors To Fuel Distributor With Wire
  Courtesy of MAZDA MOTORS CORP.
Short the DLC terminal F/P to body GND using a jumper wire.
Turn the ignition switch to ON position to operate the fuel pump.

Fig 2: Shorting DLC Terminal F/P To Body GND Using Jumper Wire
Courtesy of MAZDA MOTORS CORP.
Tilt the fuel injectors approx. 60 degrees.

Fig 3: Tilting Fuel Injectors 60 Degrees
Courtesy of MAZDA MOTORS CORP.
Verify that fuel leakage from the fuel injector nozzles is within the specification.
- If not a specified, replace the fuel injector.
1. Fuel Leakage
2. Less than 1 drop/2 minutes
Turn the ignition switch to LOCK position and remove the jumper wire.
Complete the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE .)