Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD1985BRONCO 5.8 G, STANDARD, TODREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 39 (4.9L FEEDBACK CARBURETOR EEC IV TESTING)
1985 Ford Bronco 5.8 G, Standard, TOD
Section 39 (4.9L Feedback Carburetor EEC IV Testing)
1985 Ford Bronco 5.8 G, Standard, TODSECTION Section 39 (4.9L Feedback Carburetor EEC IV Testing)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1986 Ford RV Cutaway, 1986 Ford Pickup, 1986 Ford Econoline, 1986 Ford Cutaway, and 1986 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnosis & Testing
- Quick Tests
- 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)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.