Tune-Up Procedures - 4-Cylinder

• Engine Identification
• Model Identification
  • Vehicle Identification Number
• Engine Compression
• Valve Clearance
  • 1974-76 Models
  • 1977-79 Models
  • Valve Arrangement
    • 912E & 914
    • 924
• Spark Plugs
• High Tension Wire Resistance
• Distributor
• Ignition Timing
  • 1974-76 Models
  • 1977-79 Models
• Idle Speed & Mixture
  • 1974 Models
  • 1975-76 Models
  • 1977-79 Models
• Fuel Pump
• Exhaust Emission Systems
• Ignition System
  • Distributor
    • Notes
    • Other Data & Specifications
  • Ignition Coil
• Fuel Systems
  • Fuel Injection
    • Notes
    • Other Data & Specifications