Section 15 (4.9L EEC IV Testing)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1984 Ford RV Cutaway, 1984 Ford Pickup, 1984 Ford Econoline, 1984 Ford Cutaway, and 1984 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
- 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