The fuel pump adjusts the fuel pressure with the help of a solenoid to compress the fuel. The fuel pump is key to supporting the energy needs of the engine. Without a pump, there cannot be proper fuel pressure. Improper fuel pressure then leads to failure of the fuel system itself. Provides a constant fuel flow to the fuel injectors. Maintains proper fuel pressure. Optimum fuel system operation. Built to original factory specifications. SIGNS OF NEEDING REPLACEMENT. Pump will not build or maintain proper fuel pressure. Because the country is different, may be different car models, product compatibility is for reference only. If you are not satisfied with our product or have ordered a wrong item. We will reply to you within 24 hours and offer you our best services. If you are satisfied with our products, please leave us your valuable feedback or product review. We appreciate your support. Our company is committed to providing customers with affordable products, striving to reduce resource wastage and minimize environmental impact. Our team of experts is always ready to provide professional guidance and support to ensure that customers make informed purchasing decisions. With DAITAIL, customers can rest assured that they are getting products of the highest quality at competitive prices. Our mission is to contribute to a sustainable future by reducing resource wastage and minimizing environmental damage. By offering affordable car accessories, we aim to make it easier for customers to maintain their vehicles without breaking the bank. Trust DAITAIL to deliver not only reliable products but also a commitment to environmental consciousness. Feedback is very important to us.