OBD Guide

P23E6

EGR C Control Stuck Closed

P23E6 is an OBD-II diagnostic trouble code meaning: EGR C Control Stuck Closed. Common causes: egr valve stuck due to carbon deposits, egr solenoid valve malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine Light Is On
  • Poor engine performance at idle
  • Increased fuel consumption
  • Detonation during acceleration
  • Increased emissions of harmful substances

Causes

  • EGR valve stuck due to carbon deposits
  • EGR solenoid valve malfunction
  • Problems with the wiring harness or connectors
  • Mechanical damage to the EGR valve
  • Engine control unit malfunction

How to Fix

  1. Check the condition of the EGR valve and clean it from carbon deposits
  2. Check solenoid valve and control circuit
  3. Inspect the wiring harness and connectors for damage.
  4. Replace EGR valve if necessary
  5. Check and reflash the engine control unit

Related codes

Error P23E6 by Vehicle Brand

FAQ

What does the P23E6 code mean?

P23E6 is an OBD-II diagnostic trouble code that indicates: EGR C Control Stuck Closed

What causes a P23E6 error code?

The most common causes of P23E6 include: EGR valve stuck due to carbon deposits; EGR solenoid valve malfunction; Problems with the wiring harness or connectors; Mechanical damage to the EGR valve.

How do I fix a P23E6 diagnostic trouble code?

To fix P23E6: Check the condition of the EGR valve and clean it from carbon deposits. Check solenoid valve and control circuit. Inspect the wiring harness and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P23E6?

Yes, but get it checked soon

How much does it cost to fix P23E6?

The estimated repair cost for P23E6 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat