mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Injector|Specifications|Page 2924 > < Fuel Injector|Specifications
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Fuel Injector: Testing and Inspection

FUEL INJECTOR INSPECTION [MZI-3.7]

Resistance Inspection

1. Switch the ignition to off.

2. Disconnect the negative battery cable.  See: Starting and Charging/Battery/Service and Repair/Removal and Replacement

3. Remove the engine cover.  See: Engine, Cooling and Exhaust/Engine/Service and Repair/Removal and Replacement/Engine Cover

Removal/Installation

4. Remove the dynamic chamber.  See: Engine, Cooling and Exhaust/Engine/Intake Manifold/Service and Repair

5. Disconnect the fuel injector connectors.

6. Measure the resistance of the fuel injector. 

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If not as specified, replace the fuel injector.  See: Service and Repair

Fuel injector resistance

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11.3-12.7 ohms [20 °C {68 °F}]

Fuel Injector|Specifications|Page 2924 > < Fuel Injector|Specifications