P02CD

Cylinder 1 Fuel Injector A Offset Learning At Max Limit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Unstable engine idling
Dips during acceleration
Increased fuel consumption
Misfire in cylinder 1

Causes

Dirty or worn fuel injector for cylinder 1
Problems in the injector wiring harness
Malfunction of the injector driver in the ECU
Low pressure in the fuel system
Fuel contamination

How to Fix

Check the condition of the fuel injector of cylinder 1
Test the resistance and continuity of the injector circuit
Check the pressure in the fuel system
Clean or replace the nozzle if necessary
Check the operation of the injector driver in the ECU
Reset adaptations and drive for re-learning

Related codes

P0201 P0301 P0171 P0172