Mini Cooper loss of all power and engine shutdown, restored after 20 minutes on Mini Cooper

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Mini Cooper owners report experiencing sudden loss of power and engine shutdowns, which may restore after about 20 minutes. This issue can be attributed to several factors, including clogged air filters that reduce airflow into the engine, leading to decreased power output. Additionally, faulty spark plugs can cause misfiring cylinders and insufficient fuel combustion, also resulting in reduced power. Problems with the intake manifold may disrupt the air-fuel mixture, further contributing to engine malfunction. Some drivers have noted engine stalling, which can lead to sudden shutdowns and loss of speed. Transmission issues, such as hard shifting or gear slipping, may also cause power loss and engine shutdown. Furthermore, untreated timing chain problems can result in engine damage, potentially leading to similar power loss and shutdowns. If these issues persist, it is advisable for owners to have their Mini Cooper inspected by a qualified mechanic to diagnose and resolve the underlying problems.

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