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Why is the check engine light flashing on my 2012 Chevy Sonic?

Why is the check engine light flashing on my 2012 Chevy Sonic?
The flashing check engine light on your 2012 Chevy Sonic indicates a serious issue that requires immediate attention. It is recommended not to drive the vehicle and schedule a service appointment as soon as possible.
When the check engine light is flashing, it usually signifies a severe engine misfire, which allows unburned fuel to be dumped into the exhaust system. This can potentially result in major damage to the car if not addressed swiftly.
To diagnose the specific cause of the flashing check engine light, it is important to have a suitable scanner that is compatible with the brand and model of your car. The scanner will display the engine fault code that the computer has detected, providing information about the problem affecting the engine.
Common reasons for the check engine light to come on in a Chevy Sonic include a catalyst-damaging misfire, which can damage the catalytic converter and O2 sensors , as well as other issues that affect the proper functioning of the engine.
It is recommended to contact a certified Chevy service department to have the check engine light diagnosed and the necessary repairs performed. They will be able to provide a more accurate assessment of the issue and guide you through the appropriate steps to resolve it.
Remember, it is crucial to address a flashing check engine light promptly to prevent further damage to your vehicle.
I hope this information helps! Let me know if you have any other questions.

Why is my check engine light flashing and my car struggling to accelerate?

This happens because of clogged injectors, dirty fuel filters, or a defective fuel pump. The fuel delivery system comprises many parts that deliver fuel to the engine. If one of these parts is not functioning correctly, it can trigger the check engine light to flash. The engine chomps more fuel whenever you accelerate.

Will low oil cause engine light to blink?

If the light flickers while the vehicle is in motion, the oil levels may be too low. Check the oil level and add motor oil to the vehicle, if needed, and continue to monitor the light. If the oil was indeed low, the light should turn off. If not, it may be that the engine bearings are worn.

What does flashing check engine light mean Chevy?

engine misfires
A blinking check engine light will show up on your dashboard is almost always correlated with engine misfires. A misfire means that the engine is dumping uncombusted fuel into your car’s exhaust system. Engine misfire is a serious issue because it can quickly raise the temperature of the catalytic converter.

What is the most common cause of a flashing check engine light?

While the check engine light can definitely be indicative of serious problems, the most common cause of the flashing is usually an engine misfire. There are many reasons why an engine misfire might be occurring. To run smoothly, an engine must be receiving the correct amount of power from the cylinders in your vehicle.

Is it OK to drive with flashing check engine light?

A flashing light indicates a more serious problem like an overheating engine or engine misfires, which can cause irreversible damage. If the check engine light is flashing, you should stop, turn off the car, and call for assistance.

Why is the check engine light blinking on my 2012 Chevy Sonic?

A flashing light reveals that the problem is exceptionally serious and if not taken care of swiftly may result in major and serious damage to the car. This blinking light usually signifies a severe engine misfire allowing unburned fuel to be dumped into the exhaust system.

Why is my check engine light blinking and my car shaking?

A blinking Check Engine light means there’s something seriously wrong with the emissions system. The shaking suggests you’re having a misfire, which is dumping unburnt fuel into the exhaust, while making the engine shake. This is usually caused by a bad spark plug, ignition coil, or wiring.

Can catalytic converter cause check engine light to flash?

While you can drive your vehicle with the light on, it is recommended that you have a diagnosis as soon as possible. The light can start flashing if you ignore it for some time. Problematic Catalytic Converter: A common cause of blinking engine light is an issue with the catalytic converter.

Can spark plugs cause blinking check engine light?

Worn/failed spark plugs, coil packs, or spark plug wires can trigger your check engine light to come on. In today’s cars, if a spark plug fails and can no longer ignite the air-fuel mixture, then the most obvious event should be the check engine light coming on or even flashing.

How do I stop my check engine light from flashing?

Replace faulty sensors: Malfunctioning sensors, such as the oxygen sensor or mass airflow sensor, can cause the check engine light to blink. If any faulty sensors are identified through diagnostics, replace them as needed.

AHG Auto Service

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