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Home >> Porsche >> 1992 >> 911 Turbo >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> Ignition Coil Primary Resistance

Ignition Coil Primary Resistance

  1. Ensure ignition switch is off. Disconnect wires from primary terminals of ignition coils to isolate them from system.
  2. Set ohmmeter at x1 scale. Connect ohmmeter leads to both primary terminals. Reading should be .4-.6 ohm. If reading is not as specified, replace ignition coil.
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