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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 437 (Engine Controls - Troubleshooting - No Codes) >> Symptoms >> Engine Backfires >> Ignition System
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Ignition System

WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect for proper routing of the Ignition Control (IC) circuits in each ignition module assembly connector.
  2. Inspect the ignition coils for signs of carbon tracking or damage.
  3. Inspect for proper spark plug boot alignment.
  4. Inspect the spark plugs for proper heat range and reach.
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