P2697

Exhaust Aftertreatment Fuel Injector A Circuit/Open

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Deterioration in acceleration dynamics
Increased fuel consumption
Problems with diesel particulate filter regeneration

Causes

Open or short circuit in wiring harness
Malfunction of the neutralization system nozzle
Poor contact in the injector connector
Problems with the relay or circuit fuse
Engine control module malfunction

How to Fix

Check the integrity of the wiring to the injector
Check the injector resistance (compare with standard values)
Inspect connectors and contacts for oxidation or damage
Check the voltage at the injector connector
Replacing the neutralization system nozzle if necessary

Related codes

P2698 P2699 P2700