4.9L Feedback Carburetor Tests W/Codes
- Diagnosis & Testing
- Quick Tests
- Key On-Engine Off (KOEO) Self-Test
- Code/Test Menus (KOEO)
- Timing Check
- Key On/Engine Running (KOER) Self-Test
- Code/Test Menu (KOER)
- Continuous Test
- Continuous Monitor (Wiggle) Test
- Code/Test Menu (Continuous)
- How To Use Circuit Tests
- Test A - No Start
- Test B - Vehicle Battery
- Test C - Reference Voltage
- Test D - No/Wrong Codes
- Test E - Coolant Temperature Sensor
- Test F - Manifold Absolute Pressure/Barometric Pressure (Map/BP) Sensor
- Test G - Throttle Position Sensor (TPS)
- Test H - Idle Tracking Switch (Its)
- Test I - FBC Fuel Control
- Test K - Idle Speed Control (ISC Dc Motor)
- Test L - Canister Purge Test
- Test M - Air Charge Temperature (Act) Sensor
- Test N - Neutral Switch-A/C Input
- Test O - Air Management System
- Test P - EGR Vent (EGRV) & EGR Control (EGRC) Valve Output Circuit Check
- Test R - Temperature Compensated Pump (TCP) Output Circuit Check
- Test S - Variable Voltage Choke (VVC) Output Circuit Check
- Test T - Spark Timing Check
- Test U - Knock Sensor
- Test V - THERMACTOR Output Circuit Check
- Test W - Dynamic Response Test
- Test X - Diagnosis By Symptom
- Test Y - Shift Indicator Light
- Test Z - Key Power Test
- Test Aa - Variable Voltage Choke (VVC) Test
- Test BB - Temperature Compensated Accelerator Pump (TCP) Test
- Test Cc - Converter Clutch Override (CCO)
- Test Dd - EGR Valve Position (EVP) Sensor
- Test Ee - Brake On/Off (Boo)
- Test Ff - Erratic Ignition
- Test GG - Ignition Diagnostic Monitor (IDM)
- Test HH - EGR On/Off Control
- Test II - Wot A/C Cutoff (WAC) A/C Demand
- Wiring Diagrams