What Causes the Jerking When Starting an Audi A4L?

[McArabella]

Audi A4L starting jerking reasons include excessive carbon deposits, use of inferior fuel, poor spark plug performance, etc. Below are detailed explanations of the causes and solutions for this issue: Excessive Carbon Deposits: Excessive carbon buildup on components such as the throttle body, fuel injectors, and intake manifold can lead to poor engine performance. Solution: Visit a repair facility to clean the carbon deposits. Use of Inferior Fuel: Accidentally filling up with substandard fuel during refueling. These fuels are of poor quality and do not burn efficiently, causing the car to jerk. Solution: Choose reputable gas stations and use fuel with the appropriate octane rating. Poor Spark Plug Performance: Long-term use of spark plugs leads to performance degradation, preventing normal ignition. Solution: Replace with new spark plugs.