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Home >> Cadillac >> 2003 >> Seville SLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Troubleshooting - No Codes >> Symptoms >> Poor Fuel Economy >> Additional Checks
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Additional Checks

  1. Inspect the exhaust system for possible restrictions.
  2. Inspect the Torque Converter Clutch (TCC) for proper operation. See appropriate article in transmissions.
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