Ford Ranger Pickup Troubleshooting
The Ford Ranger has been manufactured every year since 1983. The small pickup is designed for fuel economy and light duty applications. It is manufactured in two and four-wheel drive versions and in standard and extended cab models. Troubleshoot the Ranger by examining the functioning parts and eliminating them one-by-one as possible causes of the problem. The owner also must monitor the vehicle for new sounds and changes in the general feeling. Some of the changes may reflect a mechanical issue that must be addressed.
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Instructions
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Insert the key in the ignition, and turn it to start. If the truck does not start, test the dome light and radio for power. Clean the battery terminals with a wire brush, and use jumper cables to start the vehicle if the power is weak. Replace the battery if it continues to drain.
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Turn the key to start the vehicle. If the engine does not crank but the battery is good, the problem may be the starter. Crawl under the engine compartment and locate the cylinder shaped starter. It is attached to a smaller cylinder with a wire connection for power. Hit the main cylinder with a hammer to unlock the starter teeth. If the vehicle starts successfully, the starter must be replaced.
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Drive the vehicle at variable speeds on a low traffic highway. Feel and listen for mechanical issues. If the truck experiences violent vibrations at speeds over 40 miles per hour, the four-wheel drive may be partially engaged. This is especially common in the 1998 to 2000 models with vacuum locking hubs. The vehicle must be repaired immediately if the lockers will not fully separate from the hubs.
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Accelerate and decelerate the vehicle to test the transmission. The transmission will shift smoothly when you change speeds if it is in good condition. If the transmission grinds and pops, it must be serviced immediately.
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Clean the carburetor or fuel injector tips if the engine cranks but does not fire. Also test the fuel pump, and replace the spark plugs. The engine is either not receiving a spark or it is not receiving fuel.
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Tips & Warnings
Change the oil on a regular basis, and keep the transmission fluid, brake fluid and clutch fluid topped off. Maintaining the fluids helps the critical components lubricate and function at normal levels.
Service the vehicle as soon as a mechanical defect is discovered. Driving without repairs may increase the extent of the damage.
References
Resources
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