danielrichter1
Skoda Kodiaq Diesel engine stalling problem
Summary of the thread
A 2017 Skoda Kodiaq diesel was experiencing engine stalling and a persistent check engine light, suspected to be related to the fuel tank ventilation system. The owner considered a defective activated charcoal filter as a potential cause. After taking the vehicle to a shop, it was confirmed that the activated charcoal filter was indeed causing a fuel tank ventilation system leak. Replacing the filter resolved the issue, eliminating the check engine light and restoring proper idling.
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4 comment(s)
danielrichter1 (community.author)
Fuel efficiency seems normal to me. Where was the leak detection in your Megane? Was it hard to find?
AndKrau
Mine was also a fuel tank ventilation system leak. I didn't find it myself; a workshop did the leak detection and confirmed it. I would suggest taking it to a shop.
danielrichter1 (community.author)
Took my Kodiaq to the shop and they confirmed it was the activated charcoal filter. They said it was causing a fuel tank ventilation system leak. Cost me 275€ to get it sorted, but at least the check engine light is off and it idles properly now. Thanks for the advice!
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SKODA
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KODIAQ
AndKrau
Sounds familiar. I had a similar issue with my old Renault Megane. Check engine light and stalling. Could be a purge valve or something related to the fuel tank ventilation. Is your fuel efficiency bad?