What does code P24F6 mean?

Q: What does code P24F6 mean?

Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open. P24F6 indicates that the powertrain control module has detected the exhaust aftertreatment fuel air purge valve is stuck open, meaning the valve is allowing air to flow when it should be closed. The computer typically compares commanded valve state to feedback from the valve or observes an unexpected lean condition in the exhaust stream during the purge routine.

DTC codes / P24xx · Auxiliary emission controls / P24F6

P24F6Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open

P24F6 indicates that the powertrain control module has detected the exhaust aftertreatment fuel air purge valve is stuck open, meaning the valve is allowing air to flow when it should be closed. The computer typically compares commanded valve state to feedback from the valve or observes an unexpected lean condition in the exhaust stream during the purge routine.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

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