We are serious here at Premier Auto Repair when we say a dead fuel pump can cause a dead engine. The reason why is simple: There isn’t any fuel in the combustion chamber. The fuel pump draws the diesel fuel or gasoline out of the tank and pumps it into the engine. If your fuel pump is malfunctioning, it will be difficult to get your vehicle started in you may also experience the other problems listed below.
A Reduction in Fuel Economy
Anytime the engine does not get enough fuel to run inefficiently, it burns whatever fuel it does have faster. Unfortunately, this causes a reduction in your vehicle’s fuel economy. In some cases, the fuel pump may also malfunction and push too much fuel through the engine. This excess fuel is burned away, and, again, you will find yourself heading to the service station more often.
A Reduction in Fuel Pressure
A dying fuel pump will also cause a reduction in your vehicle’s fuel pressure. You can test the pressure yourself at home with a special gauge or we can test it for you. Whichever you prefer. Nonetheless, the fuel pressure must be within the range specified in your owner’s manual. If it is not within that range, this is a symptom that the fuel pump is malfunctioning and unable to do its job properly.
An Engine That’s Too Hot
It might seem odd that a dying fuel pump can make your engine overheat, but it can. Unfortunately, if the fuel pump is not drawing enough fuel out of the tank to keep its motor cool, it will overheat. As the fuel pump’s motor gets too hot, your engine starts to get too hot. Eventually, your engine will overheat, as well, and it’s dangerous to drive your automobile with an overheating engine.
Power Loss When Stressed
Your car, truck, or utility vehicle will also suffer from performance issues if the fuel pump is malfunctioning. Specifically, anytime the engine is under stress, it will lose power if the fuel pump does not push more gasoline through. This is particularly noticeable if you are towing a trailer or have overloaded your vehicle.
Sputtering at High Speeds
Finally, the faulty fuel pump can also cause your engine to sputter at high speeds if it’s not getting enough fuel. Unfortunately, you will be unable to restore your engine’s performance until such time as you replace the malfunctioning fuel pump.
Premier Auto Repair in Tyler, TX, is here to help, so call us today if you suspect your fuel pump has gone bad.