2002 Buick Century Custom, automatic, 200K miles, jerking while accelerating after reaching certain RPM. You can see engine jerking in parking after reaching certain RPM. If you drive it starts around 40mph. It happens less and even goes away after driving about 10 miles or so. Please advice. Thank you in advance.
I would look for a fault in the ignition system such as a cracked spark plug. Might need a scope check to put your finger on the problem
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my car is jerking while accelerating and reaching certain RPM
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