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how to stop pinking ?

My toyota harrier has a pinking in the engine, it does not have fuel injectors, so how do I stop this pinking?
Beverly, November 2011
crappy or incorrect fuel or ignition timing

octain rating, November 2011
Pinking can often be caused by a weak fuel to air mixture,find out how to richen the mixture.

r, November 2011
link Click here to see other fixes for Toyota.