- Spark plugs or ignition coils: Faulty spark plugs or ignition coils can cause the engine to misfire, which can lead to shaking and a blinking check engine light.
- Fuel injector: A clogged or faulty fuel injector can prevent the engine from getting the proper amount of fuel, which can also cause shaking and a blinking check engine light.
- Vacuum leak: A vacuum leak can cause the engine to run lean, which can lead to shaking and a blinking check engine light.
- Oxygen sensor: A faulty oxygen sensor can cause the engine to run rich or lean, which can lead to shaking and a blinking check engine light.
- Catalytic converter: A clogged or faulty catalytic converter can cause the engine to run poorly, which can lead to shaking and a blinking check engine light.
If you are experiencing these symptoms, it is important to have your car diagnosed by a qualified mechanic as soon as possible. Driving with a shaking engine and a blinking check engine light can damage your car's engine and other components.