OBD Guide

P2E6B

System Too Rich During Cylinder Deactivation Bank 2

P2E6B is an OBD-II diagnostic trouble code meaning: System Too Rich During Cylinder Deactivation Bank 2. Common causes: malfunction of oxygen sensors (bank 2), fuel leakage through injectors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine operation
  • Check Engine Light Illuminates
  • Reduced engine power
  • Smell of gasoline from the exhaust pipe

Causes

  • Malfunction of oxygen sensors (bank 2)
  • Fuel leakage through injectors
  • Problems with the air intake system
  • Malfunction of the fuel pump or pressure regulator
  • Errors in the operation of the cylinder deactivation system

How to Fix

  1. Check the readings of bank 2 oxygen sensors
  2. Diagnose fuel injectors for leaks
  3. Check the air intake system for leaks
  4. Check the fuel pressure in the system
  5. Scan the ECU for additional errors

Related codes

Error P2E6B by Vehicle Brand

FAQ

What does the P2E6B code mean?

P2E6B is an OBD-II diagnostic trouble code that indicates: System Too Rich During Cylinder Deactivation Bank 2

What causes a P2E6B error code?

The most common causes of P2E6B include: Malfunction of oxygen sensors (bank 2); Fuel leakage through injectors; Problems with the air intake system; Malfunction of the fuel pump or pressure regulator.

How do I fix a P2E6B diagnostic trouble code?

To fix P2E6B: Check the readings of bank 2 oxygen sensors. Diagnose fuel injectors for leaks. Check the air intake system for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E6B?

Yes, but get it checked soon

How much does it cost to fix P2E6B?

The estimated repair cost for P2E6B is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat