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2003 chevy trailblazer_ls
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Discussion Starter · #1 ·
hi everybody, i have a trailblazer 03' ls, 4.2 engine, i tried opening my spark plugs, and i found oil inside of them, what do i do, how can i fix this problem, thanks in advance, apprectiate any help
 

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2004 gmc
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26,181 Posts
How much? A small amount seems to be standard for the I6 engine. It's a seeping valve cover gasket, and most of us don't worry about it much. Clean it out every 50K or so, unless you're getting so much to cause misfires.
 

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2007
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804 Posts
What kind of mileage do you have on your TB? When I did my plugs I had the same problem with the number 3 plug. I went to the dealer and they said that they have seen a few of these but there hadnt been enough for a recall, but they replaced the gasket, gave me a loaner, and changed the oil for me... for the low low price of free.:woohoo:

I would consider talking to your dealer about it, if they wont do it, like roadie said, wont really hurt too much unless its causing a misfire.
 
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