Engine Controls - Basic Testing

• Model Identification
• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• A-3, No-Start Diagnosis
  • Notes
  • Definition
  • No Start - Engine Cranks Okay (4.3L With CMFI)
    • Notes
    • Diagnostic Aids
  • No Start - Engine Cranks Okay (Except 3.8L With C(3)I)
    • General Inspection
    • Ignition System
    • Fuel System (TBI)
    • Fuel System (4.3L CPI)
    • Fuel System (4.3L Turbo PFI)
  • No Start - Engine Cranks Okay (3.8L With C(3)I)
    • Notes
    • General Inspection
    • Ignition System
• A-7, Basic Fuel System Checks (Gasoline)
  • Fuel System Pressure Relief
    • Model 700 TBI Unit (2.5L)
    • Model 220 TBI Unit (Except 2.5L)
    • CPI & Port Fuel Injection
  • Fuel System Pressure Test
    • Notes
    • TBI
    • CPI (4.3L)
    • PFI (4.3L Turbo)
    • PFI (3.8L)
  • Field Service Mode Check
• Basic Fuel System Checks (Diesel)
  • Fuel Pump Flow Test
  • Fuel System Pressure Test
• C-4, Basic Ignition System Checks (Gasoline)
  • HEI-Est Distributor
    • Notes
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Distributor Pick-Up Coil Short & Resistance Checks
    • Tach Pulse (RPM) Signal
  • 3.8L With C(3)I
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Tach Pulse (RPM Reference) Signal
• Idle Speed & Ignition Timing (Gasoline)
• Diagnostic Circuit Check (Gasoline)
  • Notes
  • A-1, Malfunction Indicator Light (Mil) Inoperative
  • A-2, Malfunction Indicator Light (Mil) Always On Or Won't Flash Code 12
• Diagnostic Circuit Check (Diesel)
  • Notes
  • Diagnostic Procedure
    • Preliminary Inspection
    • Diagnostic Procedure
• Summary