Lincoln LS P0405:  EGR Sensor “A” → Circuit Low

  P0405 is a generic OBDII trouble code.  It deals with the signal coming from the EGR system.  Since it is a generic code, it has the same meaning for the Lincoln LS as it would any other vehicle.   The EGR system allows a certain amount of the LS’s exhaust to re-enter the combustion chamber, … Read more

Lincoln MKS P0405:  EGR Sensor “A” → Circuit Low

  P0405 is a generic OBDII trouble code.  It deals with the signal coming from the EGR system.  Since it is a generic code, it has the same meaning for the Lincoln MKS as it would any other vehicle.   The EGR system allows a certain amount of the MKS’s exhaust to re-enter the combustion chamber, … Read more

Lincoln MKX P0405:  EGR Sensor “A” → Circuit Low

  P0405 is a generic OBDII trouble code.  It deals with the signal coming from the EGR system.  Since it is a generic code, it has the same meaning for the Lincoln MKX as it would any other vehicle.   The EGR system allows a certain amount of the MKX’s exhaust to re-enter the combustion chamber, … Read more

Mercury Milan P0405:  EGR Sensor “A” → Circuit Low

  P0405 is a generic OBDII trouble code.  It deals with the signal coming from the EGR system.  Since it is a generic code, it has the same meaning for the Mercury Milan as it would any other vehicle.   The EGR system allows a certain amount of the Milan’s exhaust to re-enter the combustion chamber, … Read more