answered question
In the possession of a large number of survey is a realistic and based on historical data, using descriptive language to reflect a realistic objective things. Fully understand the facts and fully grasp the real and reliable material basis for the investigation report is written.
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The reason for your car jerks is maybe it lack of engine power. Lack of engine power caused by many reasons,such as: Excessive carbon deposition, ignition poor lack of fuel pressure, cylinder seal is not good, air intake system failure, coolant sensor signal distortion, etc. Recommends you to the service station maintenance~