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  1. E

    no codes, doesn't run

    Last year, got a 2003 mountaineer awd, 4.0 6 cyl from New Orleans. started having some intermittent miss fires at highway speed. started showing code for fuel tank pressure sensor and the sensor test out at over 5 volts with key on, not running (should be under 3.) Then it wouldn't go...
  2. E

    Fuel Tank Pressure Sensor

    My son's 2003 Mountaineer AWD 6 Cyl. has error codes indicating a failed fuel tank pressure sensor. test voltage shows 5+ volts when turning on the ignition. (about 2 volts high) Does anyone have any tips or tricks for replacing this sensor without actually removing the tank which is full of...
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