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2013 Chevrolet Suburban
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Spark plug corroding on 99 Tahoe

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Old Feb 15, 2011 | 8:15 PM
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Default Spark plug corroding on 99 Tahoe

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<!-- BEGIN TEMPLATE: ad_showthread_firstpost_start --><!-- END TEMPLATE: ad_showthread_firstpost_start -->One of the spark plugs on my Tahoe keeps corrodding. When this happens at high speed the engine skips. Any ideas what is wrong on this truck with 115k miles? Is valve going bad or do I have a bad injector? What does it cost to fix it? Thanks.
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