P2426

EGR Cooling Valve Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–67 (est.)

Symptoms

Check Engine light comes on
Deterioration of engine performance
Increased fuel consumption
Increased emissions of harmful substances
Unstable idling

Causes

EGR cooling valve malfunction
Open or short circuit in control circuit
Poor contact in circuit connectors
Engine control unit malfunction
Corroded or damaged wiring

How to Fix

Check valve control circuit integrity
Inspect connectors and contacts for corrosion
Check EGR cooling valve resistance
Replace faulty valve if necessary
Scan the control unit for additional errors

Related codes

P2425 P2427 P2428