I recently noticed that my BMW X4 is emitting black smoke from the exhaust. I'm wondering what could be causing this and what steps I should take to resolve the issue.
ReplyBlack smoke is usually an indication of a rich fuel mixture. This could be caused by a dirty air filter, faulty oxygen sensor, or a malfunctioning fuel injector. I would recommend getting your car checked by a mechanic to properly diagnose and fix the issue.
Excess carbon buildup in the engine could also be the cause of black smoke from the exhaust. Try using a fuel system cleaner and driving at higher speeds for a prolonged period of time to burn off any excess carbon.
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