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Paola

Unstable engine problems and loss of power in BMW 3

Hi all, I have a 2019 BMW 3 with 60,000 km and I am experiencing several problems. The engine is unstable, the car jerks when accelerating and after a few minutes it loses power. Also, the engine light is on and although I have tried to remove it with an OBD2 scanner, it comes back. When I start the car, the engine seems stable, but the problems start when accelerating. Is it safe to continue driving the car in these conditions? What could be causing these problems and how can I fix them? I would greatly appreciate your help and advice. thank you!

(Translated from Spanish)

Summary of the thread

A 2019 BMW 3 with 60,000 km is experiencing engine instability, jerking during acceleration, and power loss, with the engine light on. Possible causes include faulty spark plugs or ignition coils, which can lead to engine misfires and jerking. Replacing these components might resolve the issue, but if problems persist, a professional mechanic should inspect the vehicle for further diagnosis.

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3 comment(s)

CarlyMechanic

It's important to address these issues promptly, as they could affect your safety. Start by checking the spark plugs and ignition coils, as they can cause engine misfires and jerking. If they are worn or damaged, replacing them might resolve the issue. If the problem persists, it's best to have a professional mechanic inspect the vehicle. Please update us on your progress or if you have any further questions.

Lilmanhot

Code P0171, changed the MAP sensor and mass airflow sensor, also the PCV valve.

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BMW

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3