barbara_nacht1
Seat Alhambra check engine light and stalling issue
Summary of the thread
A 2012 Seat Alhambra owner experienced a check engine light and stalling at idle, suspecting a fuel tank ventilation system failure, possibly due to a defective activated charcoal filter. Another person confirmed similar symptoms and suggested checking the filter and pressure sensor. The owner considered inspecting the filter but opted for professional help, which confirmed the filter as the issue. After replacement, the check engine light disappeared, and the engine ran smoothly again.
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4 comment(s)
barbara_nacht1 (community.author)
The activated charcoal filter, you say? Where is that located? Could I check it myself, or should I leave it to a professional? I'm reasonably handy, but I don't want to make things worse.
alinahunter1
A defective activated charcoal filter can cause those symptoms. System failure can occur if it's blocked or cracked. While you could try to locate and inspect it, I'd recommend taking it to a workshop. They can properly diagnose the issue and replace the filter if needed.
barbara_nacht1 (community.author)
The activated charcoal filter was the culprit, as suspected. The check engine light is gone, and the engine runs smoothly again. The repair cost 275€, but it was worth it.
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SEAT
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ALHAMBRA
alinahunter1
Sounds like a fuel tank ventilation system issue. I had similar symptoms in my Alhambra. Have you checked the activated charcoal filter and the associated pressure sensor?