P2E68

System Too Lean During Cylinder Deactivation Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Detonation during acceleration
Check Engine Light Is On

Causes

Air leak in the intake tract
Malfunction of the fuel pump or injectors
Contamination or malfunction of the mass air flow sensor (MAF)
Problems with the oxygen sensor
Malfunction of the cylinder deactivation system

How to Fix

Check the intake system for air leaks
Check fuel pressure and condition of injectors
Check and, if necessary, replace the mass air flow sensor
Check the operation of oxygen sensors
Diagnostics of the cylinder deactivation system

Related codes

P0171 P0174 P0300