When checking fuel pressure at the end of the fuel rail, it should read 35 psi at idle. if it is substantially higher the fuel pressure regulator has failed. Make sure that you clean the tank strainer and change the fuel filter when you replace the pump
Bad fuel and the effects of time can clog injectors robbing you of power and fuel mileage. Remanufactured injectors are easy to install and inexpensive. ****you must send your injectors to us to be rebuilt******