Why is my car jolting when accelerating?
Why is my car jolting when accelerating? Worn-out spark plugs or the electrical cables attached to them are one of the most common causes of cars stuttering. A clogged catalytic converter is another reason why a car jerks while accelerating, as a blockage can disrupt the exhaust system's airflow. Why does my Mercury Sable stall at idle? If you experience difficulty starting the engine when cold, stalling at idle, or hesitations during acceleration, it may be the idle air bypass valve. This valve helps the vehicle idle steady when the accelerator pedal is not pressed. The average cost for a...