ottosturm4
Arkana Check Engine Light and Stalling
Summary of the thread
A 2021 Renault Arkana owner experienced a check engine light and stalling issues, particularly when idling. A local shop identified an incorrect fuel composition error, suggesting a possible defective cable or plug connection. Another individual suggested that the problem might be related to a dodgy sensor or bad fuel from a different gas station. After returning to the shop and mentioning the fuel source, it was confirmed that contaminated fuel was the cause. The issue was resolved by draining the tank, cleaning the fuel lines, and replacing the fuel filter, resulting in the car running perfectly again.
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4 comment(s)
ottosturm4 (community.author)
Thanks so much for the reply! No, they didn't specifically mention fuel lines or the fuel pump relay. They just said 'incorrect fuel composition' and the defective cable or plug connection was the likely cause. I don't usually use fuel additives, but I did fill up at a different gas station than usual last week. Could that really be the cause? Is there anything I can do myself to check before taking it back to the shop? I'm not really mechanically inclined, to be honest.
leomystic1
Honestly, a different gas station could definitely be a factor! It's happened to me before, where the fuel quality was questionable. While I wouldn't recommend trying to diagnose it yourself if you're not comfortable (fuel systems can be tricky), I'd definitely mention the different gas station to the shop. If the error is still there and you can't figure out the root cause, I would suggest taking it back to the shop you went to initially to get a definitive diagnosis. It cost me 95€ to fix it! Hopefully, it's something minor!
ottosturm4 (community.author)
I went back to the shop and told them about the different gas station. They ran some tests, and you were right! It turned out to be contaminated fuel. They drained the tank, cleaned the fuel lines, and replaced the fuel filter. The car is running perfectly now! The final repair cost was 95€, just as you said! Thanks a million for your help and for pointing me in the right direction!
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RENAULT
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ARKANA
leomystic1
Oh man, that sounds familiar! I had almost the exact same issue with my old Peugeot 308. Check engine light, stalling... the works! In my case, it turned out to be a dodgy sensor related to the fuel system. Did the shop mention anything about checking the fuel lines or the fuel pump relay? It could also be something as simple as a bad batch of fuel. I'm not a mechanic, but I've been burned by bad fuel before. Are you using fuel additives or anything like that?