Suspect a High Pressure Fuel Pump Problem in BMW: Watch Out These 5 Signs from Experts in Rochester

The BMW is one of the most sought-after luxury cars in the world that is known for its performance. However, a malfunctioning high pressure fuel pump can adversely affect the performance of your BMW. The failure of the high pressure fuel pump can adversely affect the functioning of the engine.

There are several signs exhibited by your BMW when the fuel pump is on the verge of failing. Here we will discuss the signs associated with a failing high pressure fuel regulator as shared with us by the expert mechanics in Rochester, NH.

Loss of Power

One of the first signs that you will observe whenever the high pressure fuel pump in your BMW is faulty is related to the functioning of the engine. The fuel pump has a direct bearing on the functioning of the engine of your car as it is responsible for delivering pressurized fuel to the engine of your high-end car.

Whenever there is a problem with the functioning of the high pressure fuel regulator then the flow of fuel to the engine of your car is going to get affected. The supply of an inadequate quantity of fuel to the engine of your car will be evident when you press the gas pedal for acceleration but you get a sluggish response from your car.

This mostly happens when you try to accelerate from a traffic stop or while driving up a steep hill because the engine underperforms due to a lack of fuel flow to the combustion chamber.

Starting Issues

Often problems with the functioning of the fuel pump in your high-end car is going to manifest itself in the form of starting issues in your BMW. Due to a malfunctioning fuel pump, the engine won’t receive any fuel injection which affects the engine in many ways.

The starting issues in your car are directly related to the functioning of the fuel pump as it delivers fuel to the engine of your car. If there is a presence of low levels of fuel in the combustion chamber of your BMW, then you will notice that your engine will turn over but will fail to start.

The engine fails to efficiently burn the air-fuel mixture as it is too lean due to the presence of inadequate levels of fuel. That is having a proper air-fuel ratio is crucial as it helps in starting of your vehicle.

Vibrations & Sputtering

One of the most common symptoms associated with a failing high pressure fuel pump is when you experience continuous vibrations and sputtering of the engine when driving your car. This indicates that you have a failing fuel pump in your vehicle that needs to be replaced at the earliest.

This problem is caused because of the fuel pump’s inability to deliver pressurized fuel consistently to the engine of your car. The engine requires proper air-fuel mixture proportion for its efficient running and when the fuel pump fails to deliver fuel to the engine consistently it struggles to perform & this is when you experience engine vibrations and sputtering.

Foul Smell

There are seldom any instances when you are going to smell anything unusual in your car while driving. However, with a malfunctioning fuel pump in your vehicle, you will experience the smell of gasoline inside the cabin of your car while driving.

The smell of gasoline is typically caused due to excess fuel reaching your combustion chamber. Sometimes the presence of inadequate air will also lead to a gasoline smell inside the cabin of your car as the fuel fails to burn off completely. As the problem can be caused by multiple factors, you should consult a BMW specialist who can use advanced diagnostic tools to find out the root cause behind the problem.

Illuminated Check Engine Light

There are numerous warning lights present on the dashboard of your car that illuminate whenever there is something wrong in your car. The check engine light is one such warning light that flashes when it detects any anomaly in the functioning of the engine of your BMW.

A bad high pressure fuel pump is going to lead to the illumination of the check engine light on the dashboard of your car. However, the problem with the illumination of the check engine light is that it can flash due to a host of other factors & you need to take your BMW to a qualified mechanic who can use the error code reader to pinpoint the exact issue in your car.

Finally

The above-discussed factors are some of the leading signs associated with the failure of the high pressure fuel pump in your BMW. Whenever you are experiencing any of these symptoms then you must immediately take your BMW to a certified repair shop for fixing the damaged high pressure fuel pump in your car.

We at Hagan’s Motor Pool located in Rochester, NH is a leading pre-owned dealership & German auto service center. Whether you are looking for buying a pre-owned car or having your current one serviced, our team has the complete experience to look.