P26FC

EGR Cooler Bypass Control Stuck Closed Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Engine knock
Unstable operation at idle

Causes

EGR bypass valve stuck
Control solenoid valve malfunction
Open or short circuit in control circuit
Valve contamination with carbon deposits
Wiring Harness Problems

How to Fix

Check the condition of the EGR bypass valve
Check control solenoid valve
Check the integrity of the control circuit
Clean or replace a stuck valve
Check the condition of the wiring harness

Related codes

P26FB P26FD P0401