Spark plugs for a tC?

After how many miles do I need to change the spark plugs on my scion tC?

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  • 1 decade ago
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    Platinum plugs claim a lifetime warrenty . I would still change them every 50 or 75 thousand miles .

  • 1 decade ago

    most cars nowdays are around 75k to 100k. check ur owners manual. be sure if u replace them to get platnium ones

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