melina_jung7

Mini Roadster engine misfires

I'm having a terrible time with my 2015 Mini Roadster. This car only has 12952 km! The check engine light is on, and the engine is running really rough. It jerks when I accelerate, and the engine power is noticeably reduced. Diagnostic is showing combustion misfires. Could this be a defective injector?

4 comment(s)

Sounds similar to an issue I had with my Roadster. Engine was running rough, and the throttle response was awful. Have you checked your ignition coils? A faulty coil can cause combustion misfires too.

Ah, ok. Fuel pump issues usually cause more widespread problems. If the ignition coil is fine and the misfire is isolated to one cylinder, then yeah, a defective injector is the more likely culprit. Best to get it checked at a workshop.

Thanks for the quick reply! Ignition coils were checked and they seem ok. I'm suspecting it could be fuel related. Could it be a fuel pump issue instead?

Just wanted to update you and thank you for your help. The workshop confirmed it was indeed a defective injector. Repair cost me 515€. Ouch! But the Mini Roadster is running smoothly again. No more cylinder misfire!

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