LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2003 >> DeVille Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Troubleshooting - No Codes >> Symptoms >> Poor Fuel Economy >> Additional Checks
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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.
scientia non olet · About LEMON Manuals