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Home >> Mazda >> 2007 >> RX-8 Sport, 1.3 N, RC4AEL >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Fuel Injector Inspection >> Resistance Inspection

Resistance Inspection

  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION )
  3. Remove the extension manifold. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION )
  4. Disconnect the fuel injector connector.
  5. Measure the resistance between terminals A and B of the fuel injector using a tester.
    • If within the specification, perform out the "Circuit Open/Short Inspection".
    • If not within the specification, replace the fuel injector.

    Resistance Approx. 13.8 ohms [20 °C {68 °F}] 

    Fig 1: Identifying Fuel Injector Connector Terminals A & B
    G04562854Courtesy of MAZDA MOTORS CORP.