Known as one of the most luxurious sport utility vehicles, your Land Rover is the perfect blend of utility, design, and off-road capability. Offering a high-quality interior, powerful engine, excessive storage space, strong towing capacity, and amazing safety features, this vehicle is made for drivers who want it all. While your Land Rover is in the top of its class, it is not immune to mechanical or engineering issues that can sometimes plague automobiles.
One component that can commonly cause issues in your vehicle is the fuel pressure regulator. It is important to be aware of problems that may arise due to a malfunction of this component. So, how do you know if your Land Rover fuel pressure regulator needs repair?
First, let’s look at exactly what the fuel pressure regulator is and the important purpose it serves. The regulator helps to maintain the fuel pressure in an electric fuel injection system. Simply put, if the injection system needs more fuel pressure, the regulator will allow more fuel to travel to the engine. This process is important because this is what maintains a steady fuel supply and the proper, constant amount of pressure. When operating as designed, this component efficiently supplies the fuel to the injectors.
Signs of a Potential Problem with the Fuel Pressure Regulator
One of the most common symptoms of a faulty fuel pressure regulator is a decrease ingas mileage. A malfunctioning regulator may allow an excessive amount of gas to flood the ignition system. By having more fuel than necessary moving through the ignition, your vehicle will suffer from poor gas mileage.
Dirty or soiled spark plugs can also be indicators of an issue. When the regulator is not working properly, the ends of your spark plugs may be black and covered with soot. This discolor is the result of burning oil in or around the engine and a faulty regulator could be the culprit. In this instance, both the plugs and the component itself must be replaced.
While there are several different reasons why your engine may not turn over, a fuel pressure regulator that is acting up could be one of them. Since this piece is responsible for maintaining the amount of fuel needed to start the car, it only makes sense that when it begins to malfunction, it may prevent your motor from starting. In the beginning stages of breakdown, you may be able to start the engine after several attempts. Eventually though, that will not be a possibility. Your Land Rover may also experience sputtering sounds, jerking motions and even a sudden shut down.
A more uncommon, but telling symptom of a bad regulator is when gasoline drips out of the actual tail pipe. When there is a leak or breakdown, some fuel may actually make its way into the exhaust system and then come out of the pipes. If you see this, take your Land Rover in for service as soon as possible.
Finally, a vacuum hose that contains gasoline is the most common sign of a problem. An easy way to determine this is by turning off the engine then disconnecting the hose from the regulator. Check to see if any fuel has made its way into the hose itself. If so, you definitely have a leak that should be addressed.
Trust the Experts at M Service, Inc.
Since 1984, the team at M Service, Inc. has provided reliable service in Walnut Creek, CA. We are the ideal alternative to the dealership. We offer better prices, friendlier service, and a commitment to treat your Land Rover as if it were our own.
As European auto service experts, we understand the unique design and repair needs that your luxury SUV possesses. A faulty fuel pressure regulator can cause real problems for your automobile, but our ASE certified technicians can quickly and efficiently diagnose, repair, or replace this component with ease.
Our goal is to create a dependable and quality relationship with all of our customers. This ensures your peace of mind while we service your vehicle. Make the confident choice and contact us today. You will be glad you did!
Land Rover Discovery image credit goes to: Maria Argutinskaya.