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Perform Basic Inspection

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. Verify Customer Complaint
  2. Check for Relevant Technical Service Bulletins (TSBs)
  3. Perform Visual Inspection (See Basic Diagnostic Procedures) 
  4. Test Engine Sub-Systems (See Basic Diagnostic Procedures) 
    • Mechanical Condition (Compression)
    • Ignition Output
    • Fuel Delivery
  5. Check Air Induction System For Leaks
  6. Check & Adjust Basic Engine Settings(See On-Vehicle Adjustments) 
    • Ignition Timing
    • Idle Speed
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