Spark plugs: Worn or fouled spark plugs can cause the car to hesitate or jerk when accelerating.
Ignition coils: Faulty ignition coils can also cause the car to hesitate or jerk when accelerating.
Fuel injector: A clogged or dirty fuel injector can cause the car to hesitate or jerk when accelerating.
Air filter: A dirty or clogged air filter can restrict airflow to the engine and cause the car to hesitate or jerk when accelerating.
2. Check the transmission.
Transmission fluid: Low or dirty transmission fluid can cause the car to hesitate or jerk when shifting gears.
Transmission filter: A clogged or dirty transmission filter can also cause the car to hesitate or jerk when shifting gears.
3. Check the exhaust system.
Catalytic converter: A clogged or damaged catalytic converter can cause the car to hesitate or jerk when accelerating.
Oxygen sensors: Faulty oxygen sensors can also cause the car to hesitate or jerk when accelerating.
4. Check the fuel system
Fuel pump: A faulty fuel pump can cause the car to hesitate or jerk when accelerating.
Fuel filter: A clogged or dirty fuel filter can also cause the car to hesitate or jerk when accelerating.
5. Check for vacuum leaks.
A vacuum leak can cause the car to hesitate or jerk when accelerating. Check for cracks or holes in the vacuum hoses and repair them as necessary.
If you are unable to find the cause of the problem yourself, you should take the car to a qualified mechanic for diagnosis and repair.
