At this point, call our auto repair shop in Oklahoma City so a professional mechanic can look at the vehicle. The fuel pump itself needs to be looked at and this will require you to remove the gas tank. Unfortunately, if the fuel pump isn’t fixed by simply replacing a fuse it gets much more complicated. When to schedule a fuel system inspection Follow steps 1 through 4 again to determine if replacing the fuse fixed the problem. If it’s blown, replace the fuse with another of the same amperage.Ħ. If the pump makes no sound, the good news is the cause might be a blown fuse. If you do not hear anything, the pump is not working.ĥ.
Someone else needs to turn the key because the fuel pump will hum for just two or three seconds if it’s working.
Once the car is on, you need to listen for the fuel pump. Please clearly tell your assistant they are not trying to start the car, but simply turning the key so that the lights come on.Ĥ. Next, you will need an assistant to turn the key to the “on” position while you listen near the gas tank opening. On most vehicles, the fuel pump is located in the fuel tank. Checking the fuel pump is not a very dangerous or involved task, but safety always comes first and you don’t want your vehicle to rock or shake.Ģ. Make sure the vehicle is off and safely parked on a level surface. If the noise is from the fuel pump, failure of the pump is often imminent and you should replace the fuel pump at your earliest convenience.1. As a fuel pump fails, you may notice a whirring or humming noise coming from the fuel tank area, toward the rear of the car. The lack of fuel may result in the engine operating without enough fuel relative to the amount of air, causing the check engine light to appear. Sometimes a fuel pump will fail slowly, and that means the fuel pressure and volume slowly degrades. A failed fuel pump may prevent a car from starting or stall it.
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