Replacement Part Number: 89448-34020 Fit for 4Runner/Sequoia/Tundra/FJ Cruiser/Land Cruiser 描述三 产品对应的故障问题 1.Signs of a faulty fuel pressure regulator. A faulty fuel injection pressure regulator can cause a variety of engine performance problems, including check engine lights, poor fuel economy, black smoke from the exhaust, poor engine performance, etc. The pressure regulator should be replaced promptly 产品的优化与解决点 1.Pressure regulators are made of high quality materials for durability and performance, improving fuel economy and avoiding vacuum leaks in vehicles caused by overly rich or thin air/fuel mixtures 2.The pressure regulator kit is used in the fuel pump to ensure proper pressure in the fuel line, provide a steady high pressure to the fuel pump, and supply fuel to the injectors. If the pressure is not enough, it will affect the engine performance. So please use the correct way to install the hydraulic regulator 产品的安装位置 1.The pressure regulator is easy to install, but be careful: the fuel is highly flammable, so when reinstalling or checking the regulator, stay away from ignition sources, do not ignite, and do not energize 产品的组成结构与材料质量 1.Our fuel pressure regulator is made of high quality materials for high strength and maximum durability, regulates fuel pressure for precise air/fuel mixture to ensure optimal performance and mileage 2.High quality premium aluminum and ABS plastic material, rust proof, reliable, with excellent durability and stability, impact resistance for long term use 描述四 解决与帮助 1.The fuel pressure regulator is used to maintain a steady fuel supply, even when fuel demand varies dramatically. The fuel pressure regulator adjusts fuel pressure according to air pressure/boost pressure, which allows the injector to maintain a perfect ratio between fuel and boost pressure 2.The fuel pressure regulator injection pump is made of high quality materials for long life, stable performance and high reliability. The fuel pressure regulator adjusts fuel pressure according to air pressure/boost, which allows the injector to maintain a perfect ratio between fuel and air boost quickly and accurately 品质的信心 1.This gasoline control valve pressure regulator offers efficient performance for regulating fuel supply and fuel pressure values for professional performance and smoother acceleration 2.Quality materials: Our fuel pressure regulator is made of quality materials for high strength and maximum durability for regulating fuel supply and fuel pressure values, professional performance for smoother acceleration, ensuring optimal performance and mileage 描述五 服务与维护 1.12 months warranty. If there is any problem during the one-year quality warranty period, please feel free to contact us for a free replacement or refund 产品提示 1.To avoid mistakes, please double check our product photos to make sure our products are the same as your old parts and have the same sockets. And please make sure your vehicle type is in the parts description on the back. 2.Please note - Please check the car's build model trim engine, product appearance and part number to make sure this is the correct part you need. If you have any questions, please contact us for answers 3.Please double check the connectors and insert your old parts into our pictures to make sure they are the same before purchase. Failure to do so can lead to compatibility issues and easy return issues