What causes P1404 on a Ford?

Carbon-seized EGR valve pintle Failed EGR vacuum solenoid or motor Blocked vacuum supply to the valve Broken EGR position feedback Wiring fault in the EGR control circuit

How do I fix P1404 on a Ford?

Attempt to command the EGR open and watch position feedback Check vacuum supply at the valve where applicable Remove the valve and test pintle movement by hand Decarbonize or replace the valve Verify flow returns with a road test and scan tool

P1404 EGR Valve Stuck Closed

Q: What does P1404 mean on a Ford?

P1404 — EGR Valve Stuck Closed. Applies to F-150, Ranger, Explorer, Taurus.

Category: Powertrain - Auxiliary Emissions Controls
Severity: Check Engine Light
Applies to: F-150, Ranger, Explorer, Taurus

What does P1404 mean on a Ford?

P1404 — EGR Valve Stuck Closed. This Ford-enhanced code applies to F-150, Ranger, Explorer, Taurus.

Common causes of P1404

Carbon-seized EGR valve pintle
Failed EGR vacuum solenoid or motor
Blocked vacuum supply to the valve
Broken EGR position feedback
Wiring fault in the EGR control circuit

How to fix P1404

Attempt to command the EGR open and watch position feedback
Check vacuum supply at the valve where applicable
Remove the valve and test pintle movement by hand
Decarbonize or replace the valve
Verify flow returns with a road test and scan tool