OBD-II Code Ford

P1406 — Ford — DPFE Downstream Hose Failure

The DPFE sensor circuit has a failure in the downstream hose.

Brand Ford
System Emissions System
Severity Medium
Safe to drive? Not recommended
Advanced scanner Yes

What does code P1406 mean on Ford vehicles?

The DPFE sensor circuit has a failure in the downstream hose.

Common symptoms

  • Irregular performance
  • high emissions

Possible causes

  • Damaged or blocked downstream hose

Initial recommendation

Inspect and replace the downstream DPFE hose.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine Ford code P1406 with your vehicle's actual symptoms for more complete diagnostic guidance.

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