HomeTrouble CodesP2413

P2413 — Egr System Performance

Manufacturer-specificPowertrain (engine & transmission)

This diagnostic trouble code indicates the engine control module has detected the exhaust gas recirculation system is not operating within expected performance parameters. It typically signifies a mismatch between the commanded EGR valve position and the actual position or flow detected.

Symptoms

What causes it — most likely first

1. Carbon buildup in EGR passages

Accumulated soot restricts valve movement or gas flow, preventing the system from meeting target values.

2. Faulty EGR valve assembly

Internal motor, solenoid, or position sensor failure prevents proper valve operation or reporting.

3. Damaged wiring or connectors

Corrosion, chafing, or disconnection in the harness interrupts signals between the valve and control module.

4. Failed EGR pressure sensor

A malfunctioning sensor provides incorrect feedback regarding exhaust gas flow to the computer.

5. Vacuum supply restriction

Blocked or leaking vacuum lines prevent vacuum-operated valves from actuating correctly.

6. PCM hardware or software failure

Internal control module error is possible but statistically rare compared to mechanical faults.

How it's diagnosed

  1. Retrieve all stored codes and examine freeze frame data for operating conditions
  2. Visually inspect EGR valve harness and connectors for damage or corrosion
  3. Command EGR valve open and closed using a bidirectional scan tool
  4. Remove EGR valve to inspect passages for excessive carbon buildup
  5. Test circuit voltage and ground at the EGR valve connector
  6. Clear codes and perform a test drive to monitor code status

Code facts & related codes

SystemPowertrain (engine & transmission)
StandardizationManufacturer-specific (P1/B1/C1/U1)

Frequently asked

Does this code require replacing the engine computer?

No, PCM failure is extremely rare; mechanical buildup or valve failure should be ruled out first.

Can I continue driving with this code present?

Short-term driving is usually safe, but prolonged operation may lead to reduced performance or emissions test failure.

Will cleaning the EGR valve resolve this code?

Often yes, if carbon buildup is preventing the valve from seating or moving properly.

Is P2413 the same as a P0401 code?

They are similar, but P2413 typically indicates a performance or position mismatch rather than just insufficient flow.