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I have a Echo 4500 chainsaw that has no spark. I disconnected the kill wire and still no fire. It has a C.D.I. module and it also has a coil.

Do I have to replace them both ?

Is there a way to test which one is the bad one ?

Would anyboyd have a good used saw for parts that they can sell me ?

Maybe just the used C.D.I. and the coil.

Please Respond to : melvincribb@hotmail.com

Thanks.