Search results
Results from the WOW.Com Content Network
When the fuel pump goes bad, the car won’t start. Before it fails completely, you may notice a stalling engine, excessive whining noises, engine sputtering, and decreased performance. It can also cause surging, misfiring, a Check Engine Light , worn spark plug tips, and low fuel pressure.
Recognize unusual fuel tank noises, struggling car starts, and engine sputtering for signs of a malfunctioning fuel pump. Unexpected stalling and power loss during heavy loads or inclines can also indicate bad fuel pump symptoms.
The common signs of a bad fuel pump include: Whining noise coming from the fuel tank area when the engine is running. Stalling that will restart after several minutes.
Car stutters and stumbles—the first sign of a bad fuel pump is intermittent coughing and sputtering that can't be explained. If you're sharp, you'll fix the problem at this stage before it...
Recognizing the symptoms of a bad fuel pump can help prevent costly and potentially dangerous situations. A malfunctioning fuel pump can cause a variety of problems, including poor fuel economy, engine misfires, and difficulty starting the vehicle.
When your fuel pump is weak or fails entirely, there are a few obvious signs. The most common symptom of a bad fuel pump is your engine failing to start due to a lack of fuel reaching the cylinders.
Most fuel pumps will produce a quiet hum during their normal operation, however, an excessively loud whine coming from the fuel tank is usually a sign of a bad fuel pump. There may not be enough fuel, a damaged pump, or contaminated fuel inside the system.
A damaged fuel pump might make a loud, whining sound that you’ll hear from your gas tank. The pump may also make this noise if you’re low on fuel or the fuel in your tank is contaminated. The normal noise your pump makes is a low hum. Loud whining indicates there is a problem.
A bad fuel pump can cause engine sputtering, loss of power, surging, and difficulty starting, as well as increased fuel consumption. Testing fuel pressure, checking for unusual noises, and inspecting for fuel leaks can help diagnose fuel pump issues.
Here is a list of possible symptoms caused by a bad or failing fuel pump: Engine won't start. Lack of Power. Engine misfires. Sputtering or surging under heavy loads. Let's take a look at each of these symptoms and what they mean below. 1. Engine won't start. A gasoline engine needs three basic things to run – spark, fuel and compression.