What are the common causes of P2BEE?

A vacuum leak on bank 2 drawing in unmetered air. A clogged bank 2 fuel injector. Low fuel pressure starving both banks. An exhaust leak before the bank 2 oxygen sensor.

Read bank 2 fuel trims on a scan tool. Smoke test the intake for leaks on bank 2. Check fuel pressure and volume. Inspect the bank 2 exhaust for leaks ahead of the sensor. Replace the bank 2 upstream oxygen sensor if trims stay lean. Clear the code and retest.

P2BEE

Fuel Control System A Too Lean Bank 2

System: Powertrain control (P code)
Lamp: Check Engine Light
Category: Powertrain - Fuel/Air Metering

What it means

P2BEE means Fuel Control System A Too Lean Bank 2.

Check these first

A vacuum leak on bank 2 drawing in unmetered air
A clogged bank 2 fuel injector
Low fuel pressure starving both banks
An exhaust leak before the bank 2 oxygen sensor

What to do next

Read bank 2 fuel trims on a scan tool
Smoke test the intake for leaks on bank 2
Check fuel pressure and volume
Inspect the bank 2 exhaust for leaks ahead of the sensor
Replace the bank 2 upstream oxygen sensor if trims stay lean
Clear the code and retest

Look up another code

Code or symptom

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

Generic SAE J2012 definition. Last updated 2026-10-10.