Fuel Injector Volume (Millenia 2.3L & 2.5L & 626 2.5L)
- Disconnect battery. Remove fuel rail assembly and injectors from intake manifold. See REMOVAL, OVERHAUL & INSTALLATION
article.
- Using mechanics wire, secure each fuel injector to fuel rail. Disconnect fuel injector connectors. Reconnect fuel lines to fuel rail.
- Connect Special Service Tool (SST) 49-E018-9A0 to fuel injectors. On 2.3L model, use SST (49-T018-901 and 49-E018-901). See Fig 1
. Using a fused jumper wire, connect DLC-1 connector terminals F/P and GND. On 626, remove fuel pump relay and ground fuel pump relay socket terminal No. 30. Turn ignition switch on. Select injector to be tested and push button on SST for 15 seconds. Measure fuel injector output volume. See FUEL INJECTOR OUTPUT VOLUME SPECIFICATIONS
table. If fuel injector output volumn is not as specified, replace fuel injector.
Courtesy of MAZDA MOTORS CORP.
- When all injectors have been checked, remove SST and reinstall all components. Check system for leaks.