Saturday 26 July 2014

Old school engine diagnostics

An oscilloscope used  on a secondary lead or plug lead gives a lot of powerful diagnostic information.
This diagnostic ability needs effort on the part of the operator,it is in no way just  plug in and away you go with the result handed to you on a plate





Incorrect mixture in each cylinder,leaking valves,egr valve problems are some of the things that can be deduced from the secondary ignition waveform


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