One day it might work, and the next, you might not be able to get your vehicle started. However, it’s important to note that sometimes the fuel pump relay doesn’t break down slowly. This rough acceleration can quickly turn to engine stalls, and eventually you might not be able to start your vehicle at all! If your vehicle’s fuel pump relay is on the fritz, then you might start to notice some acceleration issues when the fuel pump relay doesn’t kick on and off like it should. Because of how easy it is to check, it’s always worth ruling it out early in the troubleshooting process. If your vehicle is stalling out after you get it started, it could be a whole litany of problems, but one possible cause is a faulty fuel pump relay. Luckily for you, many engine codes will point you straight to the fuel pump or fuel pump relay.Īlways check the relay first, it only takes a few minutes, and it can save you hours of frustration on a more in-depth job. If your vehicle is starting but it is experiencing mechanical problems, then a check engine light might be your first sign that you have a faulty fuel pump relay. When you turn on the key, you should hear a click in the fuse box, if you don’t hear it and you can’t start your vehicle, you might have a faulty fuel pump relay. People automatically assume it’s either a dead battery or bad starter, but if the combustion chamber doesn’t have any fuel, you’ll never get the engine started! This is by far the most likely symptom of a faulty fuel pump relay, but it’s also one of the most overlooked. If they do, then it’s worth investigating a little bit further. Signs of a Faulty Fuel Pump Relayīefore you head out and start swapping relays and ordering new parts, check to see if any of these symptoms match up. If your vehicle doesn’t have a diagram on the fuse box, you’ll need to do some research online to try and determine which relay is the fuel pump relay. The fuel pump relay won’t have any flashing bright lights telling you what it is, but if you’re lucky, the underside of the fuse box will have a diagram that breaks down what each relay and fuse is. Once you take the cover off, you’re bound to see a few different relays and fuses. The fuse box has a cover, and you’ll need to take it off to find the fuel pump relay. No matter where your fuel pump relay is, you’re looking for the fuse box.
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