Tune-Up Procedures - 4-Cylinder

• Engine Identification
• Model Identification
  • Vehicle Identification Number
• Engine Compression
• Valve Clearance
  • Notes
  • Valve Arrangement
    • 3K-C & 18R-C
    • 2T-C & 20R
• Spark Plugs
• High Tension Wire Resistance
• Distributor
• Ignition Timing
  • Corolla (3K-C Engine)
    • 1974 Models
    • 1977-79 Models
  • Corolla (2T-C Engine)
    • 1974-76 Models
    • 1977-79 Models Without High Altitude Compensation (HAC)
    • 1977-79 Models With High Altitude Compensation (HAC)
  • CELICA, Corona, Hi-Lux & Pickup (18R-C & 20R Engines)
    • 1974-76 Models
    • 1977-79 Models Without High Altitude Compensation (HAC)
    • 1977-79 Models With High Altitude Compensation (HAC)
• Idle Speed & Mixture
  • 1974 Models
  • 1975-79 Models
• Cold (Fast) Idle Rpm
  • 1974 Models
  • 1975-76 Models
  • 1977-79 Models
• Automatic Choke
  • 1975-76 Corolla
  • 1977-79 Models
• Throttle Positioner Adjustment
  • 1974-76 Models
• Fuel Pump
• Exhaust Emission Systems
• Ignition System
  • Distributor
    • Notes
    • Other Data & Specifications
  • Ignition Coil
• Fuel Systems
  • Carburetors
    • Notes
    • Other Data & Specifications