Code result
P24F8
Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit
Moderate severity
What it means
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?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Open or shorted control wire
highOne of the most commonly reported causes for this code — check this first.
Failed driver stage in the dosing module
mediumA plausible cause — test and verify before replacing parts.
Related help
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