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Home >> Mercury >> 1984 >> Lynx RS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Multi-Point >> Testing & Diagnosis >> Injectors >> Injector Resistance

Injector Resistance

  1. Unplug 60 pin connector from ECA and install Breakout Box to harness. Leave processor disconnected. Unplug injectors No. 2, 3, and 4. Measure resistance of injector No. 1 between pins 37 and 58.
  2. Unplug injector No. 1. Connect injector No. 2. Read resistance between pins 37 and 58. Unplug injector No. 2. Connect injector No. 3. Read resistance between pins 37 and 59.
  3. Unplug injector No. 3. Connect injector No. 4. Read resistance between pins 37 and 59. All reading must be 2.0-3.5 ohms. If not, repair/replace defective harness or injectors.
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