P231D

Cylinder 10 Air-Fuel Ratio Imbalance - Adjustment At Limit During Balance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine idling
Reduced engine power
Increased fuel consumption
Dips during acceleration
Check Engine Light Illuminates

Causes

Dirty or faulty fuel injectors of cylinder 10
Vacuum leak in the area of cylinder 10
Problems with the ignition coil or spark plug in cylinder 10
Low compression in cylinder 10
Oxygen sensor malfunction

How to Fix

Check the condition of the fuel injectors, especially cylinder 10
Carry out diagnostics of the ignition system of cylinder 10
Check the intake manifold for leaks
Measure compression in cylinder 10
Check the operation of oxygen sensors

Related codes

P231C P231E P030A