Code result
P2E6A
System Too Lean During Cylinder Deactivation Bank 2
Moderate severity
What it means
During cylinder deactivation on bank 2, the fuel trim of the active cylinders runs persistently lean. Indicates unmetered air ingress or fuel delivery shortfall.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Vacuum leak unmasked during deactivation
highOne of the most commonly reported causes for this code — check this first.
Fuel rail pressure low
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P2E6A freeNo credit card required