I've got a little Stihl kombi unit that suddenly cut in use. I presumed fuel so filled it up, but noticed still probably ¼ of a tank in there. It then wouldnt start.
Checked spark, nothing doing.
Put new spark plug on, still nothing
Put a tester on the spark plug lead, shows a spark when earthed to the machine, but not when connected to a spark plug.
Even with a plug i took off a working saw or a new plug (had been in workshop for 5years but still in box)
Maybe all 3 plugs are mysteriously duff but Im beginning to doubt it?
Disconnecting on/off switch doesnt make any difference so can't be that
Could it be that the ignition coil has gone a bit dodgy, works when tested on its own but not when connected to a plug? Almost as if the resistance of the plug is too much?
Just want to check I'm not doing something stupid before ordering a new coil.
Thanks