2004 Mercury Mountaineer P0193

2004 Mercury Mountaineer

Mercury Mountaineer On the 2004 Mercury Mountaineer with the 4.0L engine,The P0193 is a fairly straight forward code pointing to a problem with the Fuel Rail Pressure Sensor. It’s mounted to the driver’s side fuel rail, towards the front of the rail. Carefully inspect the electrical connector for any loose, broken or damaged wires. Inspect the vacuum line for any cracks, holes or disconnections. If the visual inspection checks ok, replacing the Fuel Rail Pressure Sensor should solve the problem. The fuel rail pressure (FRP) sensor is a diaphragm strain gauge device in…

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