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How to troubleshoot a faulty ignition coil in an Audi A2?

I've noticed my Audi A2 having trouble starting and the engine misfiring. I suspect it may be a faulty ignition coil. How can I troubleshoot this issue and replace the faulty part?

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First, check for any error codes using an OBD2 scanner. If there are any specific codes related to the ignition coil, that would confirm the issue. Next, use a multimeter to test the resistance of the coil and compare it to the manufacturer's specifications. If the resistance is outside of the range, the coil is most likely faulty and needs replacement.

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