Rough Idle, and running rich

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Jul 17, 2017 | 09:30 PM

TheGoose0117

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Joined: Jul 2017

Posts: 1

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From: Jacksonville NC

Rough Idle, and running rich

Hello i have a 06 350z Enthusiast. Changed sparkplugs to NGK Lazer Plats. After changing to them Car has a rough idle and is running very rich. The Engine light is not on though... which is confusing

Jul 18, 2017 | 11:21 AM

Atreyu'z 350

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Joined: Jan 2017

Posts: 1,936

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From: Pennsylvania

Welcome... Did you get the multi-prong type? If so, get rid of them. They're trash.

Jul 18, 2017 | 12:41 PM

zakmartin

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Joined: Feb 2009

Posts: 2,821

Likes: 512

From: Seattle, WA

Is there a specific reason why you're not using OEM plugs? What's your mileage? Any other mods?

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