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Home >> Oldsmobile >> 1966 >> Dynamic Base, Eng CD ML, Standard Trans, Trans Mfr CD 160T >> Repair and Diagnosis >> General Information >> Engine Performance >> Engine Performance Diagnostic Routine Outline - General Information >> Where Does DRIVEABILITY Diagnosis Start? >> Check For Trouble Codes

Check For Trouble Codes

NOTE: This article is generic in nature and all information does not apply to all vehicles. For vehicle specific information, see the appropriate articles in the ENGINE PERFORMANCE category.
  1. Check for Diagnostic Trouble Codes (DTCs).(See Self-Diagnostics) 
  2. Repair cause of DTCs.
  3. Clear PCM memory and repeat self-test.
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