You truly can't. they have some tests but they're not reliable because we cannot duplicate hot running conditions. If you have no spark, suspect a bad coil. p.s. most of the Echo line of hand held equipment come with a lifetime warranty on the ignition coil. but there is always a catch. go find Echo's homepage and check for yourself.
Answers & Comments
You truly can't. they have some tests but they're not reliable because we cannot duplicate hot running conditions. If you have no spark, suspect a bad coil.
p.s. most of the Echo line of hand held equipment come with a lifetime warranty on the ignition coil. but there is always a catch. go find Echo's homepage and check for yourself.