Engine Controls - Basic Testing

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Notes
    • Compression
    • Exhaust System Backpressure (Using Pressure Gauge)
    • Exhaust System Backpressure (Using Vacuum Gauge)
• Fuel System
  • Notes
  • Fuel System Pressure Release
    • Es300
    • GS300, LS400, SC300 & SC400
  • Fuel Pump Operation
    • Checking Fuel Pump Operation (Using Lexus Scan Tool)
    • Fuel Pump Operation (Using Battery Voltage)
  • Fuel Pressure
• Ignition Checks
  • Spark Test (Es300, GS300 & SC300)
  • Spark Test (GS400, LS400 & SC400)
• Idle Speed & Ignition Timing
  • Notes
  • Idle Speed Specifications
• Summary