MSefi.com read only forum (Jan.15,2018)

No dual spark and 12 skip teeth solved the problem. Thanks for your help!

Sorry guys, I attached the wrong file. megasquirt201009080848.msq As I said, with this MSQ we have good RPM reading when spark plug is removed, so I think the 24-1 settings are OK... I tried with ignition ON and OFF and it makes no difference on RPM fluctuations. Any other idea of settings that can ...

Here's the MSQ file. infinity_2010_06_20.msq
Effectively, the ignition was OFF during the test without plug. So it could be an ignition interference problem. I will change the setup as proposed and retest, then post the result. I will also try to change sensor gap and orientation.

Thanks for your ...