Peugeot 407 Temperature and Warm Up Issues

Hi, I've got a 2010 Peugeot 407 diesel and I'm having some weird issues. The display sometimes shows wrong temps, the check engine light is on, and it takes ages to warm up. I'm thinking it might be the cooling grille being restricted. Anyone else had similar?

4 comment(s)

I had similar symptoms on my 407. Does it feel like the engine is running cooler than usual? It could be a fuse, if your model has one for the grille shutters. Check that first before anything else.

Thanks for the tip! Where exactly is the fuse located? And how can I tell if the cooling grille is actually the problem?

The fuse location should be in your owner's manual, but I'd bet it's the same issue. I had to take mine to a workshop to diagnose the fault. Cost me 52€.

Thanks a lot! I'll check the fuse and then book it in at the workshop.

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