P248F

EGR Cooler Bypass Control Circuit Range/Performance Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–67 (est.)

Symptoms

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

Causes

EGR cooler bypass solenoid valve malfunction
Open or short circuit in control circuit
Poor contact in control circuit connectors
Mechanical failure of the bypass valve
Problems with the wiring harness (frayed, damaged)

How to Fix

Check the condition of the EGR cooler bypass solenoid valve
Check the integrity of the control circuit (resistance, short circuit)
Inspect connectors and contacts for oxidation or damage
Check the mechanical operation of the bypass valve
If necessary, replace faulty components

Related codes

P248E P2490 P0401