Magic Elixir is my stupid way of saying a de-coke additive. Try some Caltex Techron 5000, bung a whole can in the petrol tank (near empty) and fill up. This should clean out any carbon that may be causing the ping.
This is from their website:
Techron 5000 is a unique fuel system cleaning and decoking agent based on powerful synthetic cleaning additives.
Techron 5000 provides a burst of cleaning power that is unbeatable at cleaning the entire fuel system restoring power and performance in petrol and light duty direct injection diesel engines.
Sounds bloody marvelous.
Let us know how you get on.
"I married Miss Right. I just didn't know her first name was Always."
Had a same problem with XB clevo, mainly due to the crap fuel they give us these days, fitted Lumation electronic ignition module, and a set of Splitfire plugs, the plugs are expensive $12ea, definatly worth it, fixed my problems ..
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