OBD-II code · Powertrain (generic, extended)
P24F8 Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit
General electrical fault in the control circuit of the aftertreatment fuel/air purge valve. The ECM cannot drive the valve coil according to plausibility checks — open, short or unexpected feedback voltage. Until cleared, dosing line purge is suspended.
Is it safe to drive with P24F8?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyOpen or shorted control wire
- PossibleFailed driver stage in the dosing module
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Aftertreatment Purge Valve, Solenoid Driver, Wiring Harness
Related codes
- P24F5NOx Sensor Delayed Response - High to Low Bank 1 Sensor 2
- P24F6Exhaust Aftertreatment Fuel Air Purge Valve Stuck Open
- P24F7Exhaust Aftertreatment Fuel Air Purge Valve Stuck Closed
- P24F9Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit Range/Performance
- P24FAExhaust Aftertreatment Fuel Air Purge Valve Control Circuit Low
- P24FBExhaust Aftertreatment Fuel Air Purge Valve Control Circuit High
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.