P0193 error code 2005 mercury Marquis ultimate edition

Donald Nicholson

Asked by Donald May 21, 2013 at 05:17 PM about the Mercury Marquis

Question type: Maintenance & Repair

Part number to repair

1 Answer


P0193 - Fuel Rail Pressure (FRP) Sensor Circuit High Input. Possible Causes: FRP signal shorted to VREF or VPWR, FRP signal open, Damaged FRP sensor. Better check the sensor before you go replacing it.

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