P23E6

EGR C Control Stuck Closed

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

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.
Replace EGR valve if necessary
Check and reflash the engine control unit

Related codes

P0401 P0402 P0403 P0404