P23F7

Cylinder 6 Injector B Air-Fuel Ratio Imbalance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Increased fuel consumption
Power Loss
Misfire in cylinder 6
Check Engine Light Illuminates

Causes

Contamination or malfunction of injector B of cylinder 6
Problems with the fuel system (low fuel pressure)
Open or short circuit in the injector control circuit
Engine control unit malfunction
Contamination of fuel or water in fuel

How to Fix

Check the condition of injector B of cylinder 6
Check fuel pressure and condition of the fuel system
Check the integrity of the injector control circuit
Clean or replace the injector if necessary
Reset the error code and check engine operation

Related codes

P23F6 P23F8 P0172