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janablaze41

VelSatis preheating lamp and check engine light

Hi, I'm having trouble with my 2009 Renault VelSatis diesel. The preheating lamp won't switch off, and the check engine light is now on. I've also noticed some smoke when accelerating. My VelSatis has about 208428 km on it. Any ideas? I've checked some of the obvious things, but I think it might be the preheating control unit.

4 comment(s)

leomystic1

Hey, I had a similar issue with my VelSatis a while back. I would check the cable and plug connection of the component first. It could be as simple as a loose or corroded connection causing the problem. Does the car start without any issues?

janablaze41 (Author)

Thanks for the tip! When you had the issue, were your symptoms exactly the same – preheating lamp stuck on, engine light, and smoke? And where exactly should I be looking for this cable and plug connection? Any hints?

leomystic1

Yep, exactly the same symptoms. It drove me nuts for a week! Eventually I took it to a workshop. They found the connection was faulty. It was cheaper than replacing the whole unit, thankfully. I'd say get it checked by a professional. It'll save you time and stress!

janablaze41 (Author)

Thanks for the advice! I took it to the workshop, and you were spot on – it was a defective cable at the preheating control unit. Cost me 95€ to get it sorted. Much appreciated!

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