Fuel Injector Volume (Miata)
WARNING: This page is about a different car, the 2000 Mazda Protege, 2000 Mazda Millenia, 2000 Mazda MX-5 Miata, 2000 Mazda MPV, and 2000 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- Using Service tool (49L018901), connect battery to each injector in turn. Using a jumper wire, connect data link connector terminals F/P and GND. Turn ignition on for 15 seconds. Measure fuel injector volume.
- If injector output volume is less than 66-82 cc's, replace suspect injector, then check next injector. If injector output volume is 66-82 cc's or more, check next injector.
- When all injectors have been checked, reinstall all components. recheck system.