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IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Is this spark plug normal?

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Old Feb 23, 2021 | 07:20 PM
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RageRacerM's Avatar
RageRacerM
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Default Is this spark plug normal?

Zoomed in on the one in question

All 6.
All my spark plugs look good in my opinion, jus this darker one that makes me raise an eyebrow. Diagnosis anyone? Or is it jus normal?
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Old Feb 23, 2021 | 07:28 PM
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Not terrible but looks like the engine is running richer than ideal.
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Old Feb 27, 2021 | 03:40 PM
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There's no oil on them and I assume no misfire codes? I wouldn't sweat it unless you're having issues.
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Old Feb 28, 2021 | 07:22 AM
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doesn't look clean to me. This is mine at 120k miles



at 120k miles
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