1986 Jeep Cherokee Manual MPG

The 1986 Jeep Cherokee is a classic SUV known for its rugged capability and fuel efficiency. Available with manual transmission, this vehicle offers impressive MPG ratings for its class. Below are key sections covering specifications, fuel economy data, driving tips, maintenance guidelines, and troubleshooting information specific to the 1986 Jeep Cherokee with manual transmission.

1. Fuel Economy Specifications 2. Engine and Transmission 3. Driving Tips for Better MPG 4. Maintenance Schedule 5. Technical Specifications 6. Performance Data 7. Fuel System Information 8. Troubleshooting Fuel Issues 9. Owner Recommendations 10. Regulatory Information 11. Frequently Asked Questions

Fuel Economy Specifications

The 1986 Jeep Cherokee with manual transmission delivers competitive fuel economy for a mid-size SUV of its era.

Driving Condition	MPG Rating
City Driving	17-19 MPG
Highway Driving	22-25 MPG
Combined Average	19-21 MPG
Optimal Conditions	Up to 27 MPG

Engine and Transmission

Key powertrain components affecting fuel efficiency.

2.5L 4-cylinder engine with manual 4-speed transmission
2.8L V6 engine option with 5-speed manual transmission
Final drive ratios optimized for fuel economy
Carburetor or fuel injection systems (depending on model)

NOTE: Manual transmission models typically achieve 1-3 MPG better than automatic versions.

Driving Tips for Better MPG

Maximize your fuel efficiency with proper driving techniques.

Shift at optimal RPM: 2,500-3,000 RPM for best efficiency
Maintain steady speeds on highways
Avoid rapid acceleration and hard braking
Use overdrive gear when available on 5-speed models
Keep tires properly inflated to recommended PSI
Reduce unnecessary weight in vehicle

IMPORTANT: Proper maintenance can improve MPG by up to 10%.

Maintenance Schedule

Oil Changes: Every 3,000 miles or 3 months
Air Filter: Replace every 15,000 miles
Fuel Filter: Replace every 30,000 miles
Spark Plugs: Replace every 30,000 miles
Tire Rotation: Every 6,000 miles
Wheel Alignment: Annually or when MPG drops

Technical Specifications

Detailed technical data affecting fuel consumption.

Engine Options: 2.5L I4 (150 CID), 2.8L V6 (173 CID)

Transmission: 4-speed manual (standard), 5-speed manual (optional)

Fuel Capacity: 20 gallons. Curb Weight: 3,100-3,400 lbs. Axle Ratios: 3.07:1 or 3.55:1. Tire Size: P205/75R15 or P225/75R15.

Performance Data

Real-world performance metrics and fuel consumption patterns.

0-60 MPH: 12-15 seconds (depending on engine)
Top Speed: 95-105 MPH
Fuel Range: 340-400 miles per tank
Towing Capacity: 2,000-5,000 lbs (affects MPG)

Tip: Fuel economy decreases significantly when towing or carrying heavy loads.

Fuel System Information

Understanding the fuel delivery system for optimal efficiency.

Fuel Type: Regular unleaded (87 octane)
Fuel Pump: Mechanical or electric depending on model
Carburetor: Carter BBD or Weber (2.5L models)
Fuel Injection: GM 2.8L V6 models feature electronic fuel injection
Fuel Pressure: 5-7 PSI for carbureted models

WARNING! Using incorrect fuel can damage engine and reduce MPG.

Troubleshooting Fuel Issues

Symptom	Possible Cause	Corrective Action
Poor MPG	Dirty air filter, misaligned timing	Replace air filter; check ignition timing
Hard starting	Choke adjustment, fuel delivery	Adjust automatic choke; check fuel pump
Engine hesitation	Carburetor issues, vacuum leaks	Clean carburetor; inspect vacuum lines
Black smoke	Rich fuel mixture	Adjust carburetor mixture screws
Fuel odor	Fuel leaks, evaporative system	Inspect fuel lines; check charcoal canister

Owner Recommendations

Tips from experienced 1986 Jeep Cherokee owners for maintaining optimal MPG.

Regulatory Information

EPA estimated MPG when new: 17 city/22 highway. Actual mileage may vary. Jeep is a registered trademark of Chrysler Corporation. This manual covers technical specifications for reference only. For official service information, consult factory service manuals.

Frequently Asked Questions

Q: What is the real-world MPG I can expect?
A: Most owners report 16-18 MPG city and 21-23 MPG highway.

Q: Can I improve MPG with modifications?
A: Yes, consider: synthetic fluids, low rolling resistance tires, proper tune-ups.

Q: How does 4WD affect MPG?
A: 4WD models typically get 1-2 MPG less than 2WD versions.

Service Information: Consult certified Jeep mechanics for specific technical issues.