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southerngq
southerngq 3/25/2010
2004 Toyota Camry LE 4Cyl2.4L - Engine
Iridium plugs for my car
My Camry has to have Iridium plugs. In the manual it plainly says, "Do not adjust the gap on iridium plugs". However, the recommended gap for the plugs is .44 from the plug manufacturer. If the plugs are not gapped at exactly .44, should they be adjusted to the recommended gap?
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  • HouseCallAuto
    HouseCallAuto 3/25/2010
    I took this bit of info from a Denso page.

    >Q. Do I need to set the gap?
    A. Generally, no. The DENSO Iridium Power plug comes pre-set with a protective sleeve over the firing end, to protect the gap from accidental alteration. DENSO Iridium Power’s ultra-efficient firing power compensates for normally recommended gap settings that are smaller than the pre-set value. In the cases of vehicle modifications (nitrous, turbo-chargers, super-chargers, high power ignition systems, etc.), some adjustments may be desired. Or, if you prefer to remain consistent with factory specifications, you may adjust. However, please be careful not to place any stress on the fine center electrode during adjustment. You could accidentally break off the very hard, and therefore brittle, tip.


    Kevin
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