Auto Loan Guide Vehicle Check Engine Light on and Car Shaking When Stopped

Check Engine Light on and Car Shaking When Stopped


Check Engine Light on and Car Shaking When Stopped


One of the most dreaded moments for any car owner is when the check engine light turns on. It instantly fills us with anxiety and worry. But what if your car is not only displaying the check engine light but also shaking when stopped? These symptoms can indicate potential problems with your vehicle that require immediate attention. In this article, we will delve into the possible causes of these issues, their implications, and provide some helpful tips on what to do when faced with such a situation.

Possible Causes:

1. Ignition System Issues: One possible cause of the check engine light and car shaking when stopped is a problem with the ignition system. Faulty spark plugs, ignition coils, or a malfunctioning distributor can disrupt the combustion process, leading to engine misfires. These misfires can cause the car to shake when idle.

2. Fuel System Problems: Another common culprit is a malfunctioning fuel system. A clogged fuel filter, a faulty fuel pump, or a malfunctioning fuel injector can disrupt the proper flow of fuel to the engine. This can result in an uneven distribution of fuel and cause the engine to shake when stopped.

3. Engine Mounts: Engine mounts are responsible for securing the engine to the frame of the car. If these mounts become worn or damaged, they can allow excessive engine movement, leading to shaking and vibrations when the car is idle.

4. Transmission Issues: Problems with the transmission can also be a cause for concern. A worn-out torque converter or a malfunctioning transmission solenoid can cause the car to shake when stopped. Additionally, transmission-related issues can trigger the check engine light to illuminate.

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5. Vacuum Leaks: A vacuum leak occurs when there is an unintended intake of air into the engine. This disrupts the air-fuel mixture, leading to engine misfires and shaking. Vacuum leaks can be caused by loose or damaged hoses, a faulty intake manifold gasket, or a cracked air intake tube.


Ignoring the check engine light and the shaking when stopped can have serious consequences for your vehicle. The shaking may worsen over time, leading to more significant problems and potentially expensive repairs. Additionally, the check engine light is an indicator that there is an underlying issue with your car’s system, and neglecting it can result in further damage or reduced fuel efficiency.

What to Do:

1. Address the Basic Maintenance: Start by checking the basics such as the fuel level, oil level, and coolant level. Ensure that all fluid levels are within the recommended range. Low levels of these fluids can contribute to engine problems and shaking.

2. Check for Loose Connections: Inspect the battery terminals and ensure they are clean and securely connected. Loose or corroded connections can cause electrical issues, leading to engine misfires and shaking.

3. Seek Professional Help: If the shaking persists and the check engine light remains on, it is advisable to take your vehicle to a qualified mechanic or an authorized service center. They have the necessary tools and expertise to diagnose and fix the problem accurately.


Q: Can I continue driving with the check engine light on and the car shaking?
A: It is not recommended to continue driving when these symptoms are present. The shaking may indicate an underlying issue that can worsen and potentially leave you stranded on the road.

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Q: Can I diagnose the problem myself using an OBD-II scanner?
A: While an OBD-II scanner can read the error codes associated with the check engine light, it may not provide a comprehensive diagnosis. It is best to consult a professional mechanic for a thorough evaluation.

Q: How much will it cost to fix the check engine light and the shaking issue?
A: The cost of repairs can vary depending on the specific problem and the make and model of your vehicle. It is best to consult a mechanic for an accurate estimate.

Q: Are there any temporary solutions to stop the shaking?
A: Unfortunately, there are no temporary fixes for these issues. It is crucial to address the root cause of the problem to ensure the safe and reliable operation of your vehicle.


Experiencing the check engine light on and the car shaking when stopped can be a cause for concern. Ignoring these symptoms can lead to further damage and expensive repairs. It is essential to address the issue promptly by seeking professional help. Regular maintenance, timely repairs, and attention to warning signs can go a long way in ensuring the longevity and performance of your vehicle.

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