P23E1

EGR C Control Circuit/Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Poor engine performance at idle
Increased fuel consumption
Increased emissions of harmful substances
Reduced engine power

Causes

Broken or damaged wires in the EGR control circuit
EGR solenoid valve malfunction
Poor contact in control circuit connectors
Engine control unit (ECU) malfunction
Mechanical failure of the EGR valve

How to Fix

Check the integrity of wires and connectors in the EGR control circuit
Check the resistance and operation of the EGR solenoid valve
Clean or replace EGR valve if necessary
Check and if necessary replace fuses associated with the EGR circuit
Scan the control unit for additional errors

Related codes

P0401 P0402 P0403