Peugeot 406 stalling at idle

Hi, I've got a 2003 Peugeot 406 diesel with 184k km. The check engine light is on, and it sometimes stalls at idle. I scanned it and got an error about incorrect fuel composition. I've tried different fuel stations, but no luck. Any ideas?

4 comment(s)

I had something similar happen with my 406. Is it running rough or just stalling? Check the cable and plug connections, maybe it is defective.

It's mostly just the stalling and the light. Where exactly should I be checking the cable and plug connections? Any specific component?

The error code is probably related to the fuel composition sensor. The cable or plug connection is the likely culprit. I suggest taking it to a workshop to have it checked out. It cost me 95€ to get mine fixed.

Thanks, I appreciate the help. I'll take it to a shop and mention the fuel composition sensor cable. Hopefully, it's a quick fix!

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