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TuningBot DTC Database · v4.37.15

P24F6 Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P24F6 means

P24F6
Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open Generic · emissions Data confidence 65%

The control module determined that the Exhaust Aftertreatment Fuel Air Purge Valve did not change state as commanded and appears stuck.

Symptoms

  • MIL illuminated
  • Possible fuel smell in case of larger leaks

Possible causes

  • Loose or faulty fuel filler cap
  • Cracked EVAP hose or line
  • Purge or vent valve fault
  • Fuel tank pressure sensor fault
  • Leak detection pump fault

Recommended checks

  • Check fuel filler cap seating first
  • Read fuel tank pressure sensor values
  • Actuate purge and vent valves and verify response
  • Smoke-test the EVAP system for leaks

Related and nearby codes

How to read P24F6

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

4F6

Specific fault index within the subsystem.

Frequently asked questions about P24F6

What does P24F6 mean?

Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open. The control module determined that the Exhaust Aftertreatment Fuel Air Purge Valve did not change state as commanded and appears stuck.

Is P24F6 generic or manufacturer-specific?

P24F6 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P24F6 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningDyno-tested results by model and engine See the results →

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