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WolfiFroh

Seeking Advice on 2022 Renault Arkana Hybrid Exhaust Issues and Poor Fuel Economy

Hey guys, I could really use some advice on my 2022 Renault Arkana Hybrid, it's done 139,867 km. Lately, she's coughing up black smoke when I hit the gas, the engine's acting up, and the fuel economy's taken a hit too! The cheeky check engine light is on, and I think I'm dealing with a DPF regeneration fumble. I've experienced some bad stuff with my last mechanic, which leaves me a wee bit anxious. My gut's telling me the trouble might be an Exhaust back pressure sensor. Has anyone had similar issues? What was your experience with your mechanic fixing the problem? Any advice would be great, cheers!

Summary of the thread

A 2022 Renault Arkana Hybrid is experiencing black smoke emissions, engine issues, and poor fuel economy, with the check engine light on. The suspected cause is a Diesel Particulate Filter (DPF) regeneration failure, potentially linked to an Exhaust back pressure sensor issue. A similar case with a Renault Captur involved a forced DPF regeneration and sensor replacement, which resolved the problem. The suggested solution is to have the DPF checked and possibly perform a forced regeneration, emphasizing the importance of finding a reliable mechanic.

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4 comment(s)

HeiSchwa

Hey, your symptoms sound eerily similar to what I faced with my 2019 Renault Captur a while back. Even the telltale black smoke during acceleration and that annoying check engine light, everything's pointing to the same issue I had - a severely overloaded DPF. It wasn't a walk in the park, let me tell you. The mechanic identified the problem as a failure of the active regeneration process. Basically, the system that's supposed to clear out the DPF wasn't doing its job properly, which is why my DPF got overloaded to the point of impacting performance. They had to manually perform a forced regeneration to clean out the DPF. Surprisingly, the Exhaust back pressure sensor was perfectly fine in my case. Now, I ain't a mechanic but from what I've experienced, I suggest you get your DPF checked out. It was a bit of a serious hurdle, but nothing you can't handle with a proper mechanic you trust. Good luck!

WolfiFroh (community.author)

Hey there! That situation with your Captur sounds like what I'm going through right now with my Arkana. It's funny how these issues embody the phrase 'history repeats itself', eh? So you had to go for a forced regeneration on the DPF... hmm, all right. But if you don't mind me asking, do you recall approximately how much that costs? Also, after sorting it out, did any other issues arise related to this? Your insights are spot-on, cheers!

HeiSchwa

What’s up! Yeah, it's surprising how car issues can seem to follow a pattern, isn't it? As for the DPF forced regeneration, it set me back a cool 1325€. It wasn't cheap but it did the trick and the Captur’s been driving smoothly since. Post that fix, no other problems related to this popped up. Oh, and you were right about that Exhaust back pressure sensor. Saw the mechanic again and turns out it was faulty, but it's all sorted now. Seems the Arkana isn’t too different from the Captur after all, huh? Hope it turns out well for you too, fingers crossed!

WolfiFroh (community.author)

Hello, what a relief! Good to hear your Captur's doing well post the DPF regeneration and sensor fix. Hearing that no related issues popped up afterwards sure puts my mind at ease. The cost does sting a bit, though, won't lie. But hey, what's important is getting my Arkana back to her old self. Funny indeed, how our Renault experiences match up. Couldn't have asked for a better sounding board! Going to get my Arkana checked soon. Time to find a trusty mechanic and kick that DPF problem to the curb. Thank you for all your valuable advice, really appreciate it. Wish me luck with my Arkana, cheers!

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RENAULT

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ARKANA