2005 Ford Taurus X - I have a 1406

Maintenance/Repairs
1

how to fix error code 1406

2

Fix the one of these causes that made the code be set.

  • Downstream hose is disconnected
  • Downstream hose is plugged (ice)
  • Plugged or damaged Exhaust Gas Recirculation (EGR) tube
  • Faulty Differential Pressure Feedback Electronic (DPFE) sensor
  • Differential Pressure Feedback Electronic (DPFE) sensor harness is open or shorted
  • Differential Pressure Feedback Electronic (DPFE) sensor circuit poor electrical connection
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