gap

  1. Brando714
    Thread

    Spark plug gap. Adjust or leave it?

    How crucial is having the right gap and what is the range of difference that is lenient enough to pass? I have a 2004 Prius and the NGK Iridium...
    Thread by: Brando714, Jun 10, 2020, 7 replies, in forum: Gen 2 Prius Main Forum
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