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How to troubleshoot a misfiring engine on an Audi A4?

My Audi A4 recently started experiencing engine misfires and I'm not sure what could be causing it. The check engine light is on and the car is running rough. Has anyone experienced this issue and know how to fix it?

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First, check the spark plugs and replace any that are worn or fouled. Also, inspect the ignition coils for any signs of damage. If those are fine, it could be an issue with the fuel injectors.

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