The fuel pressure sensor is at the fuel line under the vehicle, to the right front of the fuel tank on a vehicle. First of all, pull out the cable in the negative terminal of the battery. Thirdly, release the fuel system pressure next. Lift the automobile and place it on stable stands so that you can work conveniently underneath it. Remove the electrical connector from the fuel pressure sensor as shown in the image below-Next to the sensor, you need to put a drain pan, after that to remove the sensor from the fuel line you need to untwist it. It will be necessary to fit a new O-ring and the fuel pressure sensor, before tightening it, reconnect the electrical connector. Last, connect the battery cable and, when you turn on the vehicle, check for fuel drips instantly.