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Are you wondering what an HPFP does and how you can know when it’s failing? Read on to learn the top signs of failure that must not be ignored.
The high-pressure fuel pump is a must-have feature in the new generation BMW engines. While the conventional fuel pump is only tasked with pumping fuel from the fuel tank to the engine, the HPFP is expected to deliver high-pressure fuel into the fuel injectors. This pressure is what makes your BMW as powerful, fast, and performative as a luxurious car brand is supposed to be. The HPFP is a kind of the center of the fuel system of the car; without it, fuel doesn’t get to where it needs to be and your engine suffers for it. In other words, when the HPFP is not performing optimally, your BMW will also not perform at its best.
HPFP Failure Signs That Must Not Be Ignored
- Long Cranking Time When Starting: The first symptom that indicates a failing HPFP is when you turn on your BMW and it takes a longer duration to crank than usual. If it takes several seconds of turning the key or pressing the start button before the engine turns on then the fuel pump could be having a problem delivering adequate fuel supply to the engine. This is usually the case when the car’s engine is cold, for instance, early in the morning.
- Loss of Power: If your BMW suddenly has less power than before or lags when you step on the gas pedal this may be a sign that the HPFP is not putting enough fuel in the engine. It can manifest as sluggishness, or as a delay in response time when you step on the gas, for instance when you’re merging into the highway or overtaking a vehicle. A loss of power or hesitation situation can be dangerous for you and other road users.
- Engine Stalling: Another warning sign is if you notice your BMW engine stalling without any apparent cause. Stalling is when the engine suddenly ceases to run when the vehicle is either idle or when you’re waiting at a traffic light. If the HPFP is not pumping enough fuel to the engine it may stall which will not be good for it. Stalling can be quite irritating and should not be ignored.
- Reduced Fuel Efficiency: One of the ways you can know you have a failing HPFP is if you have suddenly started going to the gas station more often than before. If the pump is not working as it should, the engine may not be using fuel at optimum, reducing fuel efficiency. This is great news for gas companies because it translates to frequent fill-ups from them and high fuel consumption for you.
What Should You Do If You Suspect HPFP Failure?
If you see one or more of the symptoms described in this article, you should take your BMW to a professional mechanic as soon as possible. Not paying attention to the possible HPFP failure may lead to other more serious issues with the engine and these would definitely cost a lot. The HPFP is a relatively complex component buried deep in the engine meaning it is not easy to remove and replace, so you have to visit a professional mechanic to fix this BMW problem.
Why Choose Terry Sayther Automotive For Your BMW HPFP Repair?
Terry Sayther Automotive is a reputable auto repair company that works on popular European vehicles and knows your BMWs both inside and outside. Our team has been working on BMWs since 1978 and we understand how to carefully fix problems such as HPFP failure. We have quality replacement parts for your BMW and make use of the best diagnostic tools to keep your vehicle in the best shape.
Our team of self-motivated technicians has a special interest in these cars and we pride ourselves in providing the best of service for your BMW. Whether you need a simple check or you want a new HPFP in your vehicle, we are here to help you out. You can come to our shop if you reside in Austin, TX or you’re from the neighboring cities like Buda, Lakeway, Kyle, and Tarrytown. Contact us now to get your BMW running like new.