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Q: Car is jerking, and Check Engine Light flashes

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My car is jerking, and the Check Engine Light is flashing.

A: When the Check Engine Light is flashing, it...

When the Check Engine Light is flashing, it is telling you that the engine has a problem that may be causing damage to your catalytic converter assembly. The most likely problem is an engine misfiring from an ignition problem, such as a failed spark plug, plug wire, or coil problem. Some of these engines may also have problems with fuel injectors. I recommend having the Check Engine Light diagnosed by a certified mechanic, such as one from YourMechanic.

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