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klauslion73

Laguna glow plug issue

Hi, I've got a 2014 Renault Laguna diesel with 122823 km on the clock. The preheating lamp won't switch off, and the error memory shows a fault. Seems like a glow plug issue. Anyone experienced this?

Summary of the thread

A 2014 Renault Laguna diesel is experiencing a persistent preheating lamp issue, indicating a potential glow plug fault. The problem is associated with rough idling and decreased fuel efficiency. The suggested solution is to have the glow plugs checked and possibly replaced at a workshop, as faulty glow plugs are common in diesel vehicles and can lead to these symptoms.

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4 comment(s)

sarah_vogel47

Sounds familiar. I had a similar issue with my Laguna. If the engine light is on, could be a faulty glow plug. Rough idle perhaps?

klauslion73 (community.author)

Rough idle occasionally, yes. And fuel efficiency seems a bit off. So you're thinking glow plugs too? What was the repair like?

sarah_vogel47

Could be. Glow plugs are like the spark plugs of diesel cars, if they're gone, they're gone. Better get it checked at a workshop. I ended up paying 440€ for mine.

klauslion73 (community.author)

Thanks for the info. Appreciate the tip. I'll get it checked out at the workshop. Seems like the glow plugs are indeed the culprit.

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RENAULT

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LAGUNA