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2020 FORD F-150
3.5L V6 EcoBoost•RWD•AUTOMATIC•gas•turbo
11 active safety recalls on this vehicle — view recalls
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Repairs418Labor1009Torque7006Fluid18DTC2312Battery2Maintenance0Recalls11
P1409moderate severityPowertrain

EGR Vacuum Regulator Solenoid Circuit Malfunction

on 2020 Ford F-150 3.5L V6 EcoBoost · RWD

What this code means

The EGR Vacuum Regulator (EVR) solenoid circuit has a malfunction. This solenoid controls vacuum to the EGR valve. When it fails, EGR valve operation is impaired.

Symptoms

  • Check Engine Light
  • EGR valve stuck open or closed
  • Rough idle (if stuck open)
  • Knocking/pinging (if stuck closed)
  • Failed emissions

Common causes

  • Faulty EVR solenoid
  • Wiring issue to EVR solenoid
  • Clogged vacuum lines to EGR valve
  • PCM driver failure

Diagnostic steps

  1. Test EVR solenoid resistance (typically 26-40 ohms)
  2. Check wiring and connector
  3. Inspect vacuum lines
  4. Command solenoid with scan tool and verify operation

Repair notes

Replace EVR solenoid if faulty. Repair vacuum lines. Check wiring.

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