Ford Transit stalling and high fuel consumption

I've got a 2020 Ford Transit diesel with a problem. It's done 242109 km. Lately, I've noticed higher fuel consumption, and the engine sometimes stalls at idle. The check engine light is also on, and there's some smoke when I accelerate. Could it be a defective LMM?

4 comment(s)

Hey, sounds familiar! I had similar issues with my Ford Transit. Is your air intake okay? Could be the MAF sensor messing with the air-fuel ratio. Is the check engine light always on?

Thanks for the quick response! I haven't checked the air intake specifically. Where is the MAF sensor located, and is it easy to check myself? And yes, the check engine light is constantly on, should I be worried?

The MAF sensor is usually located near the air filter box, part of the intake. While you could check it, with those symptoms – especially the stalling – I’d just take it to a workshop. Sounds like the MAF sensor is defective. Could save you a lot of headache.

Thanks a lot for the advice! I took it to a workshop, and they confirmed the MAF sensor was indeed defective. Repair cost me 365€. Running smoothly now!

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