thomasfuchs1

Mini Cabrio engine issues

I am writing to report a problem that I've encountered with my 2016 Mini Cabrio, a diesel model. The engine is exhibiting several concerning symptoms, including jerking during acceleration, a persistent check engine light, reduced engine power, occasional stalling at idle, rough engine running, and a noticeable exhaust odor. An error code is stored in the error memory, leading me to suspect a defective intake manifold, possibly leaking due to scorching. Has anyone else experienced this issue?

A 2016 Mini Cabrio diesel model is experiencing engine issues, including jerking during acceleration, a persistent check engine light, reduced power, stalling, rough running, and a noticeable exhaust odor. These symptoms, along with an error code, suggest a defective intake manifold, possibly due to scorching and leaking. A similar case was resolved by checking for vacuum leaks around the intake manifold and measuring manifold pressure, leading to the confirmation of a leaking intake manifold, which was then repaired.

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4 comment(s)

Sounds familiar. I had similar symptoms with my Mini Cabrio: jerking during acceleration, check engine light, rough idle, and even stalling sometimes. The error memory also had some stored faults. Have you checked for any signs of a vacuum leak around the air intake? What about manifold pressure readings?

Thanks for sharing your experience. Where exactly did you check for vacuum leaks, and did you measure the manifold pressure yourself? Is there anything specific to look for around the air intake?

Yes, the vacuum leak on mine was near the intake manifold gasket. You can try spraying some carburetor cleaner around the intake manifold while the engine is running, and listen for changes in the engine's RPM. That's a rudimentary way to check for leaks. The manifold pressure can be measured with an OBD scanner. However, given your symptoms, I would strongly recommend having a workshop diagnose the issue. It's likely a cracked or warped intake manifold.

Appreciate the insight. As suspected, the workshop confirmed a leaking intake manifold due to scorching. The invoice came to 1180€. Hopefully, this resolves the issues I've been experiencing.

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MINI

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CABRIO