The 1988 Ford F150 is a full-size pickup truck featuring various engine options including 4.9L inline-6, 5.0L V8, and 5.8L V8 engines, available in 2WD and 4WD configurations with manual or automatic transmissions. This manual covers operation, maintenance, specifications, troubleshooting, and safety information for the 1988 model year F-Series trucks.
The 1988 Ford F150 features a rugged body-on-frame construction with regular cab and extended cab options, multiple bed lengths, and various trim levels including XL, XLT Lariat, and custom packages.
| Feature | Description |
|---|---|
| Engine Options | 4.9L I6, 5.0L V8, 5.8L V8 |
| Transmission | 4-speed manual, 5-speed manual, 3-speed automatic, 4-speed automatic |
| Drivetrain | 2WD or 4WD |
| Payload Capacity | 1,500-2,100 lbs depending on configuration |
| Towing Capacity | 5,000-7,500 lbs with proper equipment |
| Fuel Tank | 16.5 or 19.2 gallon capacity |
| Bed Lengths | 6.75 ft or 8 ft |
Standard instrumentation includes speedometer, fuel gauge, temperature gauge, oil pressure gauge, and ammeter. Warning lights for brake system, engine, and charging system.
WARNING! If any warning light illuminates while driving, stop vehicle immediately and investigate cause.
Starting procedure, shifting instructions, 4WD operation, and basic controls.
CAUTION! Do not shift into 4WD on dry pavement as this may damage drivetrain components.
Regular maintenance intervals for optimal performance and longevity.
Every 3,000 miles: Oil and filter change, check fluid levels, inspect brakes
Every 6,000 miles: Rotate tires, check wheel alignment, inspect suspension
Every 15,000 miles: Replace air filter, check fuel system, inspect exhaust
Every 30,000 miles: Replace spark plugs, check ignition system, inspect cooling system
Every 60,000 miles: Replace timing chain (if equipped), check transmission fluid, inspect driveline
Recommended fluid types and capacities for all systems.
Tip: Use only recommended fluids specified in this manual for optimal performance.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Engine won't start | Battery, fuel, ignition | Check battery charge, fuel level, spark plugs, ignition system |
| Rough idle | Vacuum leaks, dirty injectors | Inspect vacuum hoses, clean fuel injectors, check ignition timing |
| Poor fuel economy | Dirty air filter, misalignment | Replace air filter, check tire pressure, verify wheel alignment |
| Brake pulsation | Warped rotors | Inspect brake rotors, replace if warped, check calipers |
| Transmission slipping | Low fluid, worn clutch | Check fluid level, adjust linkage, inspect clutch (manual) |
Note: For complex electrical or mechanical issues, consult qualified technician.
Standard safety equipment includes three-point seat belts, energy-absorbing steering column, and reinforced cabin structure.
1988 Ford F150 originally covered by 12-month/12,000-mile basic warranty and 36-month/36,000-mile powertrain warranty. Contact Ford Motor Company for historical warranty claims.
CAUTION! This manual is for reference only. Always follow current safety procedures when working on vehicles.