tomfuchs1
Mini Cabrio Engine Issues
Summary of the thread
A 2013 Mini Cabrio diesel was experiencing engine issues, including the engine light being on, jerking during acceleration, a whistling and hissing sound near the turbocharger, stalling at idle, and increased fuel consumption. The suspected cause was a faulty boost pressure sensor or a dodgy connection. After checking, it was confirmed that the issue was indeed a faulty cable in the boost pressure sensor, which was resolved, restoring the car's performance.
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4 comment(s)
tomfuchs1 (community.author)
Thanks for the quick reply! I haven't checked the intake manifold myself. Where exactly should I be looking for leaks? And the whistling is definitely only when I put my foot down.
ameliesilver1
Okay, whistling under acceleration points even more to the turbo system. I wouldn't poke around the intake manifold yourself if you're not familiar. Best bet is to get the boost pressure sensor checked. Could be the cable or the plug. I'd suggest a workshop visit; it's probably a quick fix for them.
tomfuchs1 (community.author)
Update on my Mini Cabrio. Turns out it was indeed the boost pressure sensor. The cable was faulty, just like we suspected. 95€ later, and she's running like a dream. Thanks for the help!
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MINI
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CABRIO
ameliesilver1
Sounds familiar. I had similar issues with my Mini, though I have a petrol engine. Engine light came on, and the car felt like it was struggling to accelerate. Did you check the intake manifold for leaks? Also, is the whistling noise constant or only under acceleration?