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P0407

Overview

Code

P0407

Code Type

P

Code Class

P0

System

Emissions

Severity Level

Medium

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0407 indicates a malfunction in the EGR position sensor circuit

Symptoms

Rough idle; Poor acceleration

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

Exhaust Gas Recirculation (EGR)

Possible Causes

EGR sensor failure

Diagnostic Steps

1 Inspect wiring 2 Test sensor voltage

Drive Safety Notes

Emissions increased

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