What are the common causes of P02BE?

A clogged injector on cylinder 10. A vacuum leak at the cylinder 10 intake runner. A lazy oxygen sensor reading lean. Low fuel pressure from a weak pump. A clogged fuel filter.

Read live fuel trim for cylinder 10 on a scan tool. Compare cylinder 10 trim against the other cylinders. Smoke test the intake runner for cylinder 10. Measure fuel pressure and flow under load. Clean or replace the cylinder 10 injector if it runs lean. Clear the code and retest.

P02BE

Cylinder 10 - Fuel Trim at Max Limit

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

What it means

P02BE means Cylinder 10 - Fuel Trim at Max Limit.

Check these first

A clogged injector on cylinder 10
A vacuum leak at the cylinder 10 intake runner
A lazy oxygen sensor reading lean
Low fuel pressure from a weak pump
A clogged fuel filter

What to do next

Read live fuel trim for cylinder 10 on a scan tool
Compare cylinder 10 trim against the other cylinders
Smoke test the intake runner for cylinder 10
Measure fuel pressure and flow under load
Clean or replace the cylinder 10 injector if it runs lean
Clear the code and retest

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Updated

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