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Home >> Cadillac >> 2003 >> Seville SLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Troubleshooting - No Codes >> Symptoms >> Vehicle Surges Or CHUGGLES >> Ignition System

Ignition System

  1. Test for proper ignition voltage output using the Spark Tester (J 26792).
  2. Inspect for damaged ignition coils within the ignition coil module assemblies.
  3. Inspect for damaged or misaligned spark plug boots.
  4. Inspect for a missing or damaged ignition module ground spring.
  5. Inspect the spark plugs.
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