Diagnose a Bad Fuel Pump
If your engine won’t start, you could have a bad fuel pump. When you switch on your vehicle, the fuel pump activates and sends pressurized fuel from the gas tank to the engine. This can be heard as a subtle hum or whine immediately after the key is turned on. However, if you have a bad fuel pump, you may hear a fast cranking sound and experience difficulty in starting your car. Here we’ll show you how to test a fuel pump.
There are plenty of car problems that mimic a failing fuel pump. One Such problem is a dead car battery. It’s therefore, always important to first carry out a thorough diagnosis to confirm that the pump is the problem. In today’s post, we’ll take a look at the step-by-step process of how you can easily diagnose a bad fuel pump.