Resistance Inspection

2006 Chevrolet Suburban C2500, 6.0 USECTION Resistance Inspection
WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch to the LOCK position.
  2. Disconnect the negative battery cable.
  3. Disconnect the fuel injector connector.
  4. Inspect the resistance between fuel injector terminals A and B using a tester.
    • If within the specification, perform the "Circuit Open/Short Inspection".
    • If not within the specification, replace the fuel injector.

    Fuel injector resistance 

    1. California emission regulation applicable model: 13.1--14.5 ohms [20 °C {68 °F}] 
    2. Except for California emission regulation applicable model: 11.4--12.6 ohms [20 °C {68 °F}] 
      Fig 1: Identifying Fuel Injector Connector Terminals
      G00973882Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.