4.9L Feedback Carburetor EEC IV Testing

• Diagnosis & Testing
  • Notes
  • Preparation For Testing
  • Equipment Hook-Up
    • Analog VOM
    • STAR Tester
  • Test Equipment
  • Test Connector Locations
  • Reading Self-Test Codes
    • Notes
    • Separator Pulse
    • Continuous Memory Codes
• Quick Tests
  • Notes
  • Key On/Engine Off Self-Test
    • Notes
    • Code Output
    • Test Results & Action To Take
  • Timing Check
  • Key On/Engine Running Self-Test
    • Notes
    • Code Output
    • Test Results & Action To Take
  • Continuous Self-Test
    • Notes
    • Continuous Memory Codes
    • Clearing Continuous Memory Codes
    • Continuous Memory Codes To Be Tested
    • Test Results & Action To Take
  • Continuous Monitor (Wiggle) Test
  • Quick Test Diagnostic Aids
    • Dynamic Response Check
    • Output State Check
  • Diagnosis By Symptom Test
• Circuit Tests
  • Notes
  • Test A - No Start
  • Test B - Vehicle Battery
  • Test C - Reference Voltage
  • Test F - Coolant Temperature Sensor
  • Test G - Map/BP Sensor
  • Test I - Throttle Position Sensor (TPS)
  • Test M - Neutral A/C Switch Input
  • Test N - Key Power Check
  • Test Q - FBC Fuel Control
  • Test T - Inertia Switch
  • Test U - EGR On/Off Check
  • Test V - Air Management System
  • Test W - Canister Purge (CANP) Check
  • Test X - Idle Speed Control (By-Pass Air)
  • Test Y - ISC (Dc Motor) Idle Speed Control (Dc Motor/Idle Tracking Switch Assembly)
  • Test BB - SIL (Shift Indicator Light)
  • Test Ee - Dynamic Response Test
  • Test Ff - Ignition Diagnostic Monitor (IDM)
  • Test GG - Spark Timing Check
  • Test HH - No Codes/Codes Not Listed
  • Test II - System Check
  • Test JJ - Erratic Ignition
  • Test KK - Inlet Air Solenoid (IAS)