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eberhardstorm10

Arkana engine stalling check engine light

My 2019 Renault Arkana (gasoline engine) is acting up. Check engine light is on, and the engine stalls sometimes, especially at idle. Mileage is at 84765 km. Anyone seen this before?

Summary of the thread

A 2019 Renault Arkana with a gasoline engine is experiencing stalling issues and a check engine light, particularly at idle. The problem is likely related to the fuel tank ventilation system, potentially involving a defective activated charcoal filter. This issue can create excessive vacuum in the fuel tank, leading to engine stalling and triggering the check engine light. The suggested solution is to have the vehicle inspected by a professional, which ultimately confirmed the charcoal filter as the cause.

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4 comment(s)

paul_mond4

Stalling and a check engine light could be a number of things. Have you noticed any changes in fuel efficiency, or any unusual smells, particularly after filling up the tank? A common culprit, especially with those symptoms, can be related to the fuel tank ventilation system. There's a pressure sensor involved; is it showing any unusual readings? Also, when was the last time you checked your purge valve?

eberhardstorm10 (community.author)

Fuel efficiency seems normal, and I haven't noticed any smells. How would a fuel tank issue cause stalling?

paul_mond4

Think of your fuel tank as a sealed container. As fuel is used, a vacuum forms. The ventilation system, including the charcoal filter, is designed to equalize the pressure. If there's a leak or blockage, it can create too much vacuum, starving the engine of fuel, hence the stalling. A defective activated charcoal filter is a likely cause. It can also trigger the check engine light due to emission control problems. I would suggest you take it to a trusted workshop to get it checked.

eberhardstorm10 (community.author)

Thanks for the insight. It was indeed the activated charcoal filter, causing a leak in the fuel tank ventilation system. Repair cost me 275€. Appreciate the help!

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RENAULT

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ARKANA