OBD Guide

P2E68

System Too Lean During Cylinder Deactivation Bank 1

P2E68 is an OBD-II diagnostic trouble code meaning: System Too Lean During Cylinder Deactivation Bank 1. Common causes: air leak in the intake tract, malfunction of the fuel pump or injectors. Estimated repair cost: $17–89.

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

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

Related codes

Error P2E68 by Vehicle Brand

FAQ

What does the P2E68 code mean?

P2E68 is an OBD-II diagnostic trouble code that indicates: System Too Lean During Cylinder Deactivation Bank 1

What causes a P2E68 error code?

The most common causes of P2E68 include: 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.

How do I fix a P2E68 diagnostic trouble code?

To fix P2E68: Check the intake system for air leaks. Check fuel pressure and condition of injectors. Check and, if necessary, replace the mass air flow sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E68?

Yes, but get it checked soon

How much does it cost to fix P2E68?

The estimated repair cost for P2E68 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat