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Hello and Welcome -
My name is ***** ***** Im sorry to see you have had a wait.
This issue is usually either, the coil ( ignition ) faulty - failed..or, the Ignition amplifier unit.
You need to have these tested to verify - though many folks change the two...at the same time.
Check your wiring / connections of course - but if not, that is common on these as above. Just check to be sure you have voltage too them first before changing them out.
Let me know how you go..and / or let me know if you need anything further on this..~~~>>>>>>~ Meanwhile - Please do click on the "Exc / Ok rating" for me at this time.. Thank you in advance for that . ..Note that you can get back to me anytime at all after doing the rating - it doesn't close you out -- Best Rgds, MIKE.