jonaslion1

Sonata fuel composition issue

Hey, I've got a 2008 Hyundai Sonata with a gasoline engine that's giving me fits. Check engine light's on, and it stalls sometimes when idling. I scanned it and it's throwing a code related to fuel composition being off. It's got 74701 km. Any ideas?

A 2008 Hyundai Sonata is experiencing issues with the check engine light and stalling during idle, with a diagnostic code indicating a problem with fuel composition. A similar case was resolved by addressing a faulty cable connection affecting the fuel mixture. It is suggested to inspect the cables and plugs related to the fuel system, and if the issue persists, consider professional assistance to avoid further complications.

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4 comment(s)

Whoa, sounds familiar! I have a Sonata too. I had a similar issue where the car was running rough and the check engine light was popping up. Turned out to be a dodgy connection somewhere messing with the fuel mixture. Have you checked all the cables and plugs related to the fuel system?

Hmm, dodgy connection... where exactly should I be looking? I'm not super mechanically inclined, so I don't want to mess anything up worse.

Okay, so for me, it was at the component. Honestly, I couldn't figure it out myself. Bit the bullet and took it to a workshop. They found a defective cable connection. Cost me 95€ to get it sorted. Saved me a headache, I reckon.

Thanks for the tip! I'll take a look at the cable connections. Sounds like a trip to the shop is in my future if I can't find anything obvious. Appreciate the help!

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HYUNDAI

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SONATA