how to diagnose fuel rail pressure sensor How to test fuel rail pressure sensor with multimeter A faulty fuel pressure sensor is not always a problem, but it can cause it to stall or stall. The fuel pressure sensor is part of the vehicle's fuel system. It is responsible for monitoring fuel pressure from the tank to the engine. If it fails, fuel can spill overboard and cause engine problems. Therefore, it is important to know how to check the fuel pressure gauge to determine if this is the cause. It is recommended to check the fuel pressure gauge regularly. To perform this task, you will need a multimeter. This article explains how to check the fuel pressure sensor using a multimeter. What is a fuel pressure gauge? Fuel rail injection pressure sensor - replacement CM5229, 0261230093, 3F2Z9G756AC - for Ford, Lincoln and Mercury vehicles - Crown Victoria, F250 Super Duty, Focus, Explorer, Mustang and E-150. Fuel pressure gauges are pressure sensors that measure the fuel pressure in