Engine Controls - Basic Testing

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Compression
    • Exhaust System Backpressure
• No Start Diagnosis
  • Definition
  • No Start - Engine Cranks Okay (CARBURETED)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (TBI With HEI)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (TBI With Dis)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With HEI)
    • Notes
    • General Inspection
    • Ignition System (Remote Coil)
    • Ignition System (Integral Coil)
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With Dis)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With IDI)
    • Notes
    • General Inspection
    • Ignition System
    • Fuel System
  • No Start - Engine Cranks Okay (PFI With C(3)I)
    • Notes
    • General Inspection
    • Ignition System (3.3L)
    • Ignition System (3.8L)
    • Fuel System
• Basic Fuel System Checks
  • Fuel Pump Tests (CARBURETED)
    • Notes
    • Fuel Pump Test 1
    • Fuel Pump Test 2
    • Fuel Pump Test 3
  • Fuel System Pressure Test (EFI)
    • Notes
    • Fuel Pressure Relief (Throttle Body Injection)
    • Fuel Pressure Relief (PFI)
    • Fuel Pressure Check (Throttle Body Injection)
    • Fuel Pressure Check (PFI)
    • Fuel Pump Relay
    • Fuel Pump Relay By-Pass Procedure
  • System Performance Check (CARBURETED)
    • Notes
    • Dwell Fixed Less Than 10 Degrees
    • Dwell Fixed Between 10 & 50 Degrees
    • Dwell Fixed Greater Than 50 Degrees
  • Field Service Mode Check (Fuel Injected)
• Basic Ignition System Checks
  • HEI-Est Distributor
    • Notes
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance (Externally Mounted)
    • Ignition Coil Resistance (Internally Mounted)
    • Distributor Pick-up Coil Short & Resistance Checks
    • Tach Pulse (RPM) Signal
  • Dis
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Crankshaft Sensor Pick-Up Coil Short & Resistance Checks
    • Crank Angle Sensor Signal
    • Tach Pulse (RPM) Signal
  • IDI
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Crankshaft Sensor Pick-Up Coil Short & Resistance Checks
    • Crank Angle Sensor Signal
    • Tach Pulse (RPM) Signal
  • C(3)I
    • Spark
    • Ignition Coil Power Source
    • Ignition Coil Resistance
    • Tach Pulse (RPM Reference) Signal
• Idle Speed & Ignition Timing
• Diagnostic Circuit Check (Except ECM/BCM Equipped Vehicles)
  • Notes
  • CARBURETED
    • Notes
    • SERVICE ENGINE SOON Light Inoperative
    • SERVICE ENGINE SOON Light On Or Won't Flash Code 12
  • Fuel Injected
    • Notes
    • SERVICE ENGINE SOON Light Inoperative
    • SERVICE ENGINE SOON Light On All The Time Or Won't Flash Code 12
• Summary