P1406 – EGR Valve Pintle Position Fault (Ford)

Description

P1406 Ford indicates the EGR valve pintle position signal is outside the expected range.

Need More Than Just the Fault Code?

A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.

Compare Diagnostic Scanners

Symptoms

  • Rough idle
  • Stalling
  • Hesitation

Causes

  • Sticking EGR valve
  • Carbon buildup
  • Wiring issues

Diagnosis

  • Command EGR tests
  • Inspect pintle movement
  • Check wiring

Repair

  • Clean EGR valve
  • Replace EGR valve
  • Repair wiring