P230C

Cylinder 3 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Dips during acceleration
Check Engine Light Illuminates
Misfire in cylinder 3

Causes

Dirty or faulty fuel injectors
Air leaks in the intake manifold
Oxygen sensor malfunction
Low compression in cylinder 3
Problems with the injector wiring harness

How to Fix

Check the condition of the fuel injectors, clean or replace if necessary.
Check the tightness of the intake tract for air leaks
Check the operation of oxygen sensors
Measure compression in cylinder 3
Check the integrity of the cylinder 3 injector wiring harness

Related codes

P230A P230B P230D