lenaschmitz5
Skoda Roomster Stalling at Idle
Summary of the thread
A 2011 Skoda Roomster with a diesel engine is experiencing a recurring check engine light and stalling at idle. The suspected cause is a leak in the fuel tank ventilation system, possibly due to a defective activated charcoal filter, leading to emission control system failure. A similar issue was resolved by replacing the activated charcoal filter, which restored fuel efficiency and resolved the stalling problem.
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4 comment(s)
lenaschmitz5 (community.author)
Pressure sensor? Could you elaborate on the specific symptoms you experienced with your EVAP system? Any details on how you diagnosed the issue?
selina_tiger9
Yes, the stalling was intermittent, mostly when the engine was warm. The error codes pointed to the EVAP system. After some research it seemed like the activated charcoal filter was the most likely culprit. Honestly, I just took it to a workshop. It's a bit fiddly to get to without the right tools.
lenaschmitz5 (community.author)
The activated charcoal filter was defective, causing a fuel tank ventilation system failure. Replacement cost 275€, and fuel efficiency is back.
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SKODA
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ROOMSTER
selina_tiger9
Sounds familiar. I had a similar issue with my Roomster: check engine light, occasional stalling at idle. It was related to the EVAP system. Have you checked the pressure sensor?