Lean Is Mean

by | Jan 2010 | Import Service, Toyota | 4 comments

We often make fun of them: Techs who use the scan tool to tell them what part to replace. We must admit that sometimes, for the sake of expediency, we do the same thing. Let’s not get caught in that trap on a Toyota with a lean condition.

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  1. abujin

    Good basic training. Would like to have known more about where he obtained readings for” known good in our locale”

  2. mastertechmag

    Thanks for your inquiry abujin. Per Kerry, our contributing editor:
    “I arrived at these numbers looking at new MAF’s that I tested after I installed it and I also tested good units that kept the fuel trim number very close to 0%. I hope that answers the question. “

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