Car Jerks When Driving on Highway: How to Solve the Problem?

Car jerks when driving on the highway typically indicate a problem with the engine, transmission, or fuel system. This issue can be caused by a misfire, clogged fuel injectors, or a malfunctioning transmission.

To diagnose and resolve the problem, it is best to consult with a mechanic who can run diagnostics and perform necessary repairs. Neglecting the issue could lead to further damage and potential safety hazards on the road. If you notice your car jerking, it is important to address the problem promptly to ensure smooth and safe driving experiences.

Common Causes Of Car Jerking On Highways

Car jerking on highways can be caused by various reasons such as a malfunctioning fuel system, transmission issues, misfiring spark plugs, or even a clogged air filter. Identifying and addressing these issues promptly is crucial to ensure a smooth and safe driving experience.

Car jerking on highways can be a frustrating and potentially dangerous experience. It can make your drive feel uneasy and uncomfortable, creating a shaky and unpredictable journey. To diagnose and address this issue, it’s essential to understand the common causes of car jerking on highways.

Here are some possible culprits to consider:

Misfiring Spark Plugs:

  • Worn-out or damaged spark plugs can cause misfires, leading to your car jerking on the highway.
  • Faulty spark plugs fail to ignite the fuel-air mixture properly, resulting in an uneven combustion process.
  • This issue can be resolved by replacing the spark plugs regularly and ensuring that they are correctly gapped.

Dirty or Clogged Fuel Injectors:

  • Over time, fuel injectors can become dirty or clogged, obstructing the smooth flow of fuel into the engine.
  • This obstruction can result in an inadequate fuel supply, causing your car to jerk while driving at high speeds.
  • Regular cleaning or professional servicing of the fuel injectors can help prevent this problem.

Faulty Ignition Coils:

  • Ignition coils are responsible for generating the high voltage needed to ignite the fuel-air mixture in the cylinders.
  • When the ignition coils malfunction, they can cause misfires and result in a jerking sensation while driving.
  • Replacing faulty ignition coils can often resolve this issue and restore your car’s smooth performance.

Dirty Or Contaminated Fuel Filters:

  • Fuel filters ensure that any debris or contaminants are removed from the fuel before it reaches the engine.
  • A clogged or dirty fuel filter can disrupt the fuel flow, leading to a lack of power and a jerking motion on the highway.
  • Regularly replacing the fuel filter can help maintain a clean and consistent fuel supply.

Air Intake System Issues:

  • Problems in the air intake system, such as a blocked air filter or a malfunctioning mass airflow sensor, can affect the air-fuel mixture ratio.
  • An imbalanced mixture can cause irregular engine combustion and result in the car jerking while driving on the highway.
  • Inspecting and cleaning the air intake system components can often rectify this issue.

By understanding these common causes of car jerking on highways, you can take appropriate measures to address the problem. Regular maintenance, timely component replacements, and professional inspections will help ensure a smooth and safe driving experience. So, if you find your car jerking on the highway, check for these culprits and take the necessary actions to enjoy a seamless journey.

Diagnosing The Problem: Car Jerking On Highways

Experiencing jerking while driving on the highway can be frustrating and even dangerous. If your car is jerking on the highway, it is important to diagnose the problem promptly to ensure safe driving and prevent further damage to your vehicle.

If you’ve ever experienced your car jerking while driving on the highway, you know how unsettling it can be. Not only is it a nuisance, but it can also be a safety concern. Fortunately, there are several potential causes for this issue, and by diagnosing the problem correctly, you can help ensure a smooth and safe driving experience.

In this section, we will explore some key areas to check when your car jerks on highways.

Checking For Error Codes In The Computer System:

  • Connect an OBD-II scanner to your car’s computer system to retrieve error codes.
  • Error codes can provide valuable information about the problem, such as misfires, sensor malfunctions, or transmission issues.
  • Addressing and resolving the specific error codes can help eliminate the jerking problem.

Testing Spark Plugs And Ignition Coils:

  • Inspect the spark plugs for signs of wear, such as carbon deposits or damage.
  • Replace any faulty or worn-out spark plugs.
  • Test the ignition coils to ensure they are functioning properly.
  • Faulty spark plugs or ignition coils can lead to misfires, resulting in jerking while driving.

Inspecting The Fuel Injectors And Filters:

  • Check the fuel injectors for clogs or leaks.
  • Clean or replace any clogged or faulty fuel injectors.
  • Examine the fuel filters for blockages and replace if necessary.
  • Issues with fuel delivery due to clogged fuel injectors or filters can cause jerking on highways.

Examining The Air Intake System:

  • Inspect the air filter for dirt or debris and replace if needed.
  • Check for any air leaks in the intake system, such as loose hoses or damaged connections.
  • Ensure the throttle body is clean and functioning correctly.
  • Problems with the air intake system can disrupt the air-fuel mixture, leading to rough idling and jerking while driving.

By following these diagnostic steps, you can narrow down the potential causes of your car jerking on highways. Remember to address any issues promptly to maintain optimal vehicle performance and safety. Keep in mind that if you’re unsure or unable to diagnose the problem yourself, it’s always best to consult a professional mechanic for a thorough inspection.

How To Fix Car Jerking On Highways?

Experiencing jerking while driving on highways? No worries! Discover effective solutions to fix this issue and enjoy a smooth ride on the open road.

Driving on the highway can be quite a thrilling experience, until your car starts jerking unexpectedly. Not only can it be frustrating, but it can also compromise your safety on the road. Fortunately, there are several ways to address this issue and get your car running smoothly again.

In this section, we will explore some common fixes for car jerking on highways.

Replacing Faulty Spark Plugs:

  • Worn out or faulty spark plugs can cause misfires and jerking while driving on the highway.
  • Ensure that you choose the right spark plugs for your vehicle’s make and model.
  • Follow the manufacturer’s instructions to safely remove the old spark plugs and install the new ones.
  • Replacing faulty spark plugs can improve combustion efficiency and eliminate jerking issues.

Cleaning Or Replacing Fuel Injectors:

  • Over time, fuel injectors can become clogged or dirty, leading to improper fuel distribution and jerking.
  • Use a fuel injector cleaner to clean the injectors and remove any deposits or clogs.
  • If cleaning does not resolve the issue, consider replacing the fuel injectors.
  • Clean or replaced fuel injectors will ensure proper fuel flow and minimize jerking on the highway.

Repairing Or Replacing Ignition Coils:

  • Faulty ignition coils can cause misfires and erratic engine performance, resulting in jerking while driving.
  • Use a diagnostic tool to identify which ignition coil is malfunctioning.
  • If possible, repair the faulty ignition coil. Otherwise, replacing it may be necessary.
  • Properly functioning ignition coils will provide consistent sparks and eliminate jerking on the highway.

Changing Dirty Fuel Filters:

  • A dirty fuel filter can restrict fuel flow and starve the engine, leading to jerking.
  • Locate the fuel filter in your vehicle and carefully replace it with a new one.
  • Regularly changing the fuel filter will prevent debris from entering the fuel system and causing jerking on the highway.

Cleaning Or Repairing The Air Intake System:

  • A dirty or malfunctioning air intake system can disrupt the air-fuel mixture, resulting in jerking.
  • Inspect the air intake system for any dirt, debris, or damage.
  • Clean the air filter and other components to ensure proper airflow.
  • If necessary, repair or replace damaged parts of the air intake system to eliminate jerking on the highway.

By following these steps, you can address the common causes of car jerking on highways and enjoy a smoother driving experience. Remember to consult a professional if you are unsure about any aspect of these repairs or if the jerking persists even after these fixes. Stay safe and happy driving!

Frequently Asked Questions

Why Does My Car Feel Jerky On The Freeway?

Your car may feel jerky on the freeway due to a variety of reasons such as engine misfires, transmission issues, or fuel delivery problems.

Why Does My Car Jerk At 70 Mph?

Your car may jerk at 70 mph due to a variety of reasons, such as a faulty transmission or engine misfire. It’s advisable to have a professional diagnose and fix the issue.

Will Your Car Jerk When The Transmission Is About To Go Out?

Yes, your car may jerk when the transmission is about to fail.

What Does It Mean When Your Car Is Jerking?

When your car is jerking, it means there could be a problem with the engine or transmission.


To conclude, dealing with a car that jerks while driving on the highway can be a frustrating and potentially dangerous experience. It is crucial to identify the root cause of this problem, whether it’s related to fuel issues, mechanical faults, or transmission problems.

Regular maintenance and timely inspections can go a long way in preventing such issues. Remember to check the fuel system, spark plugs, air filters, and transmission fluid regularly. Additionally, ensure tire pressure and alignment are correct, as these can also contribute to jerking while driving.

If the problem persists, it is best to consult a professional mechanic to diagnose and fix the issue. Taking preventive measures and addressing problems promptly will not only ensure a smoother and safer ride but also save you from unnecessary headaches and costly repairs in the long run.