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Spark Plug questions

569 Views 0 Replies 1 Participant Last post by  GTRluver
the only way to tell if you are running rich or lean, is by looking at the spark plug color correct? mocha brownish=Good White=Lean Black=rich Is that the only way to tell? my spark plugs have black deposit under the electroid but my air/fuel guage reads lean...wussup with that shitt?
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