Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / F8
Possible causes
- Open or shorted control wire high
- Failed driver stage in the dosing module medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–700 €
- Estimated time: 0.5–2 h
- Component: aftertreatment purge valve
- Component: solenoid driver
- Component: wiring harness
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012