What are the causes of BMW X1 idle vibration?
1 Answers
The causes of BMW X1 idle vibration are severe engine carbon deposits, ignition system issues, or unstable oil pressure. The specific reasons are as follows: Severe engine carbon deposits: The most common cause of car vibration is a dirty throttle or excessive carbon deposits in the fuel injector. When there is too much carbon deposit inside the engine, the gasoline sprayed by the cold-start injector will be largely absorbed by the carbon deposits, resulting in an overly lean air-fuel mixture during cold starts, making it difficult to start and causing idle vibration after cold starts. Ignition system problems: Check the working condition of the spark plugs, high-voltage wires, and ignition coils. Poor performance of the ignition system or improper spark plug firing can also lead to such faults. The solution is to check if the spark plugs have excessive carbon deposits and replace them if necessary. Unstable oil pressure: If you have already cleaned the engine carbon deposits, cleaned the throttle, replaced the oil pads and spark plugs, but still notice body vibration during idle, it is recommended to visit a 4S shop to check the fuel supply pressure and the intake pressure sensor. If the fuel pump supply pressure is abnormal or the intake pressure sensor values are incorrect or malfunctioning, it can cause body vibration.
