| Checking Fuel Lines |
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1. Start at the fuel tank, visually inspecting the fuel line for obvious damage or leaks. Because gasoline evaporates quickly, you may not see drips. However, you may see signs of where fuel has leaked out. (Note that the fuel pump on some cars is near the tank while on others it is near or on the engine.) 2. Follow the fuel line toward the engine. Note that fuel lines are typically attached to and follow the car’s under-frame. Inspect for damage or leaks. If in doubt, press a cloth to a suspected leak to see if the cloth becomes wet. 3. Inspect the fuel line as it comes into the engine compartment and enters the fuel filter. Some car manufacturers recommend replacing the fuel filter once a year while others suggest every two years. As they typically cost just a few dollars, be on the safe side and consider replacing it once a year. To do so, check your car’s owner’s manual for specific location (probably near the rear of the engine compartment) and instructions (either a clamp connection or two nuts). Be careful as pressurized fuel systems require special instructions for replacing a fuel filter. 4. Follow the fuel line to where it connects to the fuel injection system (or carburetor on older cars) atop the engine. Check all fittings for a secure connection and inspect for obvious leaks. To replace lines, follow the service manual for your car or take it to a mechanic for further work.
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Fuel lines are hoses with metal fittings that bring gasoline (or diesel) from the tank to the engine. Some fuel systems are pressurized. All use a fuel pump to deliver the fuel. So it’s especially important that the fuel lines are in top condition. Once a year your job is to inspect the lines at each connection to make sure that there is no damage or leaks.
