Update...
Jazz is fixed, the mechanic said not only were the rear 4 plugs done, neither were the front. So much for genuine Honda service stamps! Unbelievable, no chance were they done at 60k miles
That's why I service my own Subaru legacy SpecB, well all the oils and easy enough stuff. I don't trust myself enough to do spark plugs on it but I'm ok for prevention maintenance. I done all the fluids during lock down and boy was that alot of oils...
Thanks for all the great help
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