4.9L EEC IV Testing
- Testing
- Quick Tests
- Circuit Testing
- 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 (Map) Sensor
- Test G - Throttle Position Sensor (TPS)
- Test H - Idle Tracking Switch (Its)
- Test I - Fuel Control
- Test J - Idle Speed Control (ISC) - Dc Motor
- Idle Speed Control (ISC) - By-Pass Air
- Test K - Canister Purge
- Test L - Neutral Switch
- Test M - THERMACTOR Output Circuit Check
- Test N - Canister Purge Output Circuit Check
- Test O - Spark Timing Check
- Test P - Air Management System
- Test Q - Dynamic Response Test
- Test R - Diagnosis By Symptom
- Test S - EGR On/Off Control
- Test T - Shift Indicator Light
- Test U - Key Power Test
- Wiring Diagrams