NicoMey
Problems with Renault Latitude Diesel 2011: High consumption, drop in performance and black smoke
(Translated from German)
Summary of the thread
A 2011 Renault Latitude Diesel is experiencing high fuel consumption, performance issues, black smoke, and a persistent check engine light. The suspected cause is a faulty fuel volume regulator, but there is no error message in the fault memory. A similar issue in another vehicle was resolved by replacing a faulty wiring harness or plug. It is recommended to consult a workshop for a proper diagnosis and repair, and consider using an OBD2 diagnostic tool for future troubleshooting.
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4 comment(s)
NicoMey (community.author)
Thanks for the tip. I have the 2.0 dCi 150 hp version. My Latitude has already done 43349 km, but there was no problem at my last service. I have not received any specific error message, only the check engine light is on. But I didn't find anything in the fault memory. So it could really be the same problem. I just hope it doesn't get too expensive.
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DanBau92
Hey, if your Latitude shows similar symptoms to my Laguna back then, I can imagine that it's the wiring harness or the plug. Although your mileage is still quite low - but it's often a matter of luck when something like this happens. And the fault memory is of course stupid. Otherwise I would have said you could try an OBD2 diagnostic part, they are now available quite cheaply and in the best case can show you the error code directly. But if your fault memory is empty, that probably won't help either. I would therefore recommend contacting a workshop. Of course, it's always a shame if you have to pay for the repair, but with such things it's important that the car runs properly. My Laguna cost €155.0 at the time - maybe you'll be lucky and it won't cost you more. As for the fuel volume regulator, I'm afraid I don't know. But in my experience, such problems are usually electrical or mechanical. Good luck with the repair!
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NicoMey (community.author)
Hey, thanks for the detailed advice and info! I guess I'll follow your advice and make an appointment at the garage. I really hope it doesn't end up being that expensive... This OBD2 diagnosis sounds interesting, maybe I'll get one for the future. It certainly won't be the last time I have a case like this. It's a real bummer that the fault memory is empty - otherwise it would be a nice way to save a bit of money. Well, I'll keep you posted on how the whole thing develops. Thanks again for the help!
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RENAULT
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LATITUDE
DanBau92
Hi, I had a similar problem with my 2009 Renault Laguna. I'm not a car mechanic or anything, but I do know a bit about cars. So, it was actually the wiring harness/plug that was faulty. I had it checked at my garage and they had to replace the part, which cost me €155.0. But I need to clarify some more info to help more. What engine is installed in your Latitude? How many kilometers has your car done? Are you getting any error messages? Just to make sure it's the same problem.
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