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Car Shaking And Not Accelerating – What To Do?

Have you ever found yourself in a situation where your car starts shaking like it’s doing the cha-cha, and to top it off, it refuses to accelerate? Well, we’ve all been there, and it’s not exactly a joyride. But fear not, because in this article, we’re going to dive into the nitty-gritty of why your car might be pulling a shaky stunt and refusing to pick up the pace. Whether you’re a seasoned road warrior or just getting acquainted with the driver’s seat, understanding the reasons behind your car’s rebellious behavior is crucial. So, buckle up, and let’s troubleshoot this shaky situation together!Car Shaking Accelerating

Why is Your Car Shaking and Not Accelerating?

Several issues can cause your car to shake and refuse to accelerate. Here are some potential culprits:

1. Ignition System Problems: If there’s an issue with the spark plugs, ignition coils, or spark plug wires, it can lead to uneven combustion, causing the car to shake. This disruption in combustion can also result in poor acceleration.

2. Fuel System Issues: A clogged fuel filter or a malfunctioning fuel injector can disrupt the proper flow of fuel to the engine, affecting its performance. Inadequate fuel delivery can lead to both shaking and poor acceleration.

3. Air Intake Problems: The air intake system is crucial for the combustion process. If there’s a blockage or a malfunction in the air filter, mass airflow sensor, or throttle body, it can disturb the air-fuel mixture, causing both shaking and a lack of acceleration.

4. Engine Misfire: An engine misfire occurs when one or more cylinders fail to ignite properly. This can happen due to issues with the fuel injectors, spark plugs, or ignition coils. Misfires not only contribute to shaking but also result in a noticeable decrease in acceleration.

5. Transmission Issues: Problems with the transmission, such as a slipping clutch, a malfunctioning torque converter, or low transmission fluid, can cause the car to shake and struggle when accelerating.

6. Wheel and Tire Problems: Imbalanced or damaged wheels, as well as issues with the tires (such as uneven wear or a flat tire), can lead to vibrations and affect the car’s ability to accelerate smoothly.

7. Exhaust System Malfunctions: A clogged catalytic converter or exhaust system can create backpressure, impacting the engine’s performance. This can manifest as shaking and a lack of power during acceleration.

8. Engine Mount Problems: Worn or damaged engine mounts may allow excessive movement of the engine, resulting in vibrations that can be felt throughout the vehicle. This can also contribute to a lack of acceleration.

Addressing these issues promptly through thorough diagnosis and necessary repairs will help get your car back on the road smoothly. If you’re not comfortable diagnosing or fixing these problems yourself, it’s advisable to seek professional assistance from a qualified mechanic.

How to Fix/Repair the Issue?

Fixing a car that’s shaking and not accelerating requires a systematic approach to identify and address the underlying issues. Here’s a detailed guide on how to repair the problem:

1. Check the Ignition System

  • Inspect and replace faulty spark plugs.
  • Test and replace malfunctioning ignition coils.
  • Examine spark plug wires for damage and replace if necessary.

2. Address Fuel System Problems

  • Replace a clogged fuel filter.
  • Clean or replace malfunctioning fuel injectors.
  • Ensure the fuel pump is functioning properly.

3. Inspect the Air Intake System

  • Replace a clogged air filter.
  • Clean or replace a faulty mass airflow sensor.
  • Examine and clean the throttle body.

4. Resolve Engine Misfire Issues

  • Diagnose and replace malfunctioning fuel injectors.
  • Test and replace faulty spark plugs.
  • Inspect and replace malfunctioning ignition coils.

5. Tackle Transmission Troubles

  • Check and replenish low transmission fluid levels.
  • Inspect and replace a slipping clutch.
  • Diagnose and address torque converter issues.

6. Address Wheel and Tire Problems

  • Balance and rotate the wheels.
  • Inspect and replace damaged or imbalanced wheels.
  • Check and replace damaged tires.

7. Examine the Exhaust System

  • Diagnose and replace a clogged catalytic converter.
  • Inspect the entire exhaust system for leaks and damage.

8. Inspect Engine Mounts

  • Check for worn or damaged engine mounts.
  • Replace any faulty engine mounts to reduce engine movement.

9. Scan for Error Codes

  • Use an OBD-II scanner to retrieve error codes from the car’s computer.
  • Address any issues indicated by the error codes.

10. Professional Mechanic Assistance

  • If you’re uncertain or unable to identify the problem, consult a professional mechanic.
  • Seek professional help for complex issues or those requiring specialized tools.

Remember, it’s crucial to approach the repair process systematically and address each potential issue one by one. If you’re not confident in your ability to diagnose or fix the problems, seeking professional assistance will ensure a proper and thorough resolution of the shaking and acceleration issues. Regular maintenance and timely repairs can help keep your car running smoothly and prevent similar issues in the future.


Well, there you have it, fellow road warriors! Dealing with a car that’s shaking and playing hard to get when it comes to acceleration can be a real head-scratcher, but fear not. By tackling the ignition system, fuel woes, air intake hiccups, and more, you can get that smooth ride back in no time. Remember, diagnosing and fixing these issues might require a bit of elbow grease, or, let’s be real, the expertise of a professional mechanic. The key is not to let these problems linger, just like we wouldn’t ignore that weird noise our stomach makes after trying a new street food joint. So, roll up your sleeves, pop the hood, and let’s get those wheels turning smoothly again.

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