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Re: Changing 2004 Tahoe 5.3L spark plugs
Posted to Technical Tips Forum on 12/12/2020 3 Replies

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Right on, Martin

When I worked at a GM dealership in the early 1970s and the 55 mph speed limit was in full effect, we had problems with the 455 Oldsmobiles carboning up to the point that the pisto... Login to read more.

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