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Home >> Saturn >> 1997 >> SW1 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Basic Testing >> Basic Ignition System Checks >> Dis >> Ignition Coil Resistance
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Ignition Coil Resistance

  1. Disconnect ignition coil leads. Measure secondary coil resistance (secondary tower-to-secondary tower). Resistance should be 8000-15,000 ohms. If resistance is not within specification, replace ignition coil.
  2. Ignition coil primary resistance value is not supplied by manufacturer. If ignition coil is suspected of causing a misfire or a no-spark condition, switch coil locations on EI module. If problem follows questionable coil, replace original coil.
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