What does code P02C3 mean?

Q: What does code P02C3 mean?

Cylinder 11 - Fuel Trim at Min Limit. P02C3 means the engine control module has detected that cylinder 11 has reached its minimum fuel trim limit, indicating the computer can no longer lean out the fuel mixture for that cylinder. The module is reporting that the long-term fuel trim correction for cylinder 11 has hit the richest allowable negative value, typically around -25 to -30 percent, meaning it is trying to remove fuel but cannot remove any more.

DTC codes / P02xx · Fuel and air metering (injector circuits) / P02C3

P02C3Cylinder 11 - Fuel Trim at Min Limit

P02C3 means the engine control module has detected that cylinder 11 has reached its minimum fuel trim limit, indicating the computer can no longer lean out the fuel mixture for that cylinder. The module is reporting that the long-term fuel trim correction for cylinder 11 has hit the richest allowable negative value, typically around -25 to -30 percent, meaning it is trying to remove fuel but cannot remove any more.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaFuel and air metering (injector circuits)

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.