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Car jerks while driving: A small analysis of the causes and solutions! A shaking car is not only an inconvenience for the driver, but it can also indicate larger problems. There are numerous reasons why a car jerks while driving. From simple to complex problems, we cover the most common causes and give tips on what you can do about them.
Car jerks while driving?
It is important to observe when exactly the car jerks. Does it jerk? hit, at the Driving, after cold start, in the Neutral or during the entire journey? The answer to the question may provide clues to the cause of the problem. One of the simplest reasons is to insert one wrong gang or the giving of too little gas when driving off. This can lead to a jerky start.
Check fuel system & carburetor
Problems in Fuel system can also cause jerking. One defective feed pump or a dirty fuel filter could be responsible for this as they affect the fuel supply to the injection system. In vehicles with a carburetor, one can also be used incorrect carburetor setting cause the problem. Both usually require the expertise of a workshop.
- Mechanical causes: Mechanical problems like one Tire imbalance can cause jerking primarily at higher speeds (over 80 km/h). However, checking and, if necessary, balancing the tires in a workshop can help.
- Problems with the electronics and ignition system: Defects in the Electronics, like a damaged one Engine control unit or a broken one Sensor, can also cause jerking. With petrol engines you can defective spark plugs, ignition coils or ignition cables (also due to marten bites) lead to misfiring and thus jerking. Humidity in the ignition system is another common cause, especially in bad weather.
Clutch and engine check
An worn clutch can also lead to jerking problems, especially when starting off. Also the engine itself can be the cause, especially if the car jerks when idling. This could indicate a defect in the ignition system. Cold as a factor? If your car is parked outside, you can Cold and frost can also be a reason for the jerking, especially right after starting. Moisture in the ignition system can be affected by the cold, but should normalize once the engine reaches operating temperature.
Conclusion: When should you act?
You can recognize many of the causes mentioned yourself and in some cases even resolve them. However, it is often advisable to go to a workshop, especially if you are unsure or the problem seems more complex. Early intervention can prevent greater and more expensive damage. It's better to be safe and have the problem checked by a professional
- Misfire: Defective spark plugs, ignition coils, ignition cables or moisture in the ignition system.
- Fuel system problems: Clogged or defective fuel injectors, dirty fuel filter, defective fuel pump.
- Air supply problems: dirty air filter, problems with the air mass sensor.
- Exhaust gas recirculation system error: Malfunctions in the exhaust gas recirculation.
- Electronics problems: Defects in the engine control unit or other damaged electronic components.
- Mechanical causes: Unbalanced tires, worn or warped clutch disc.
- Weather-related problems: Jerking due to cold and frost, moisture in the ignition system in fog or rain.
- Carburetor adjustment: Incorrect setting on vehicles with carburetor engines.
- Incorrect gear selection or too little gas: When starting off in the wrong gear or with too little throttle.
- Engine jerks when idling: often caused by ignition damage in the ignition system.
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