Originally posted by TourDeForce:
Guys, knocking & pinging is a bad thing. Get a load of good gasoline & see if the problem goes away. You don't want to ignore this kind of thing for too long.
What he said......try higher octane gasoline, like the 89 octane and see if it goes away. Detonation will eventually burn valves and/or pistons.......verrry bad..... 
'99 Sport TropicGreen,Duratec, SVT exhaust, Brembo rotors, Ceramic pads, K&N filters(oil & air), Alpine CDM7874, Polk DB570 speakers front and rear. Fog light mod. 50% Formula One tint.
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