Engine Controls - Basic Testing 4.0L

• Introduction
• A & C Chart Reference Table
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
    • Diagnosis
  • Pcm Replacement Check
• No Start Diagnosis (A-3)
  • Notes
  • Definition
  • No Start - Engine Cranks Okay
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
• Basic Fuel System Checks (A-7)
  • Notes
  • Fuel System Pressure Test
    • Fuel Pressure Relief
    • Fuel Pressure Check
    • Fuel Pump Relay
    • Fuel Pump Relay By-Pass Procedure
• Basic Ignition System Checks (C-4)
  • Spark
  • Ignition Coil Power Source
  • Ignition Coil Resistance
  • Crankshaft Position (CKP) Sensor Pick-Up Coil Short & Resistance Checks
  • Crankshaft Sensor Output Signal
  • Tach Pulse (Rpm) Signal
• Idle Speed & Ignition Timing
• On-Board Diagnostic (OBD) System Check
  • Notes
  • The OBD System Check Determines:
  • A-2/A-4, DLC Diagnosis Or No Scan Tool Data
• Summary