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Home >> Subaru >> 1998 >> Legacy Outback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Fuel System >> Fuel Control >> Fuel Injector(s)
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Fuel Injector(s)

  1. Connect tachometer to engine. Start and idle engine. Unplug harness connector from injectors one at a time. Engine idle speed should drop 100-300 RPM as each injector is disconnected. If engine idle speed does not drop, check wiring connector, injector resistance, and injection signal from computer.
  2. Turn ignition off. Unplug connector from each injector. Check injector resistance. Resistance should be 5-20 ohms. If resistance is not to specification, replace injector.
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