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Where is schrader valve on fuel rail of Ford Freestar?

The Ford Freestar doesn't use a Schrader valve on the fuel rail for pressure testing. Instead, it uses a fuel pressure sensor to monitor fuel pressure. There's no easily accessible port like a Schrader valve to connect a gauge. To test fuel pressure, a professional mechanic typically uses a specialized fuel pressure gauge adapter that connects to the fuel pressure sensor's wiring harness. This method involves accessing and disconnecting the sensor, and it's not a DIY-friendly procedure.