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2015 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
14 active safety recalls on this vehicle — view recalls
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Repairs418Labor1009Torque7006Fluid18DTC2288Battery2Maintenance0Recalls14
P1405moderate severityPowertrain

DPFE Sensor Upstream Hose Off or Plugged

on 2015 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The DPFE sensor upstream hose is disconnected or plugged. This prevents the sensor from accurately measuring exhaust backpressure before the EGR orifice.

Symptoms

  • Check Engine Light
  • Poor EGR flow control
  • Rough idle
  • Failed emissions
  • Reduced power

Common causes

  • Disconnected upstream DPFE hose
  • Plugged upstream DPFE hose (carbon buildup)
  • Cracked hose
  • Faulty DPFE sensor

Diagnostic steps

  1. Visually inspect upstream DPFE hose (hose closer to exhaust manifold)
  2. Check for carbon blockage in hose
  3. Blow through hose to verify flow
  4. Replace hose if cracked or deteriorated
  5. Test DPFE sensor if hoses are OK

Repair notes

Reconnect or replace DPFE upstream hose. Clean carbon from hose. Replace DPFE sensor if hoses are good.

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