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<blockquote data-quote="2012Equinox2.4Turbo" data-source="post: 21407" data-attributes="member: 7598">You're good, friend. My goal is simply to be helpful. I have A LOT of experience with this platform (being the 2.0, 2.2, 2.4 Ecotecs) dating back more than 20 years. The Seafoam procedure I talked about in post #2 did work for me. Using STP as suggested by another member probably works too. I know it sounds weird, but what you really want and need to do is remove as much carbon as possible. Especially from the rings. Some people go as far as blasting the intake with walnut shells, yes, that's a thing, but honestly unnecessary for this application. That area I circled in Red on the pic is likely plugged up as well.Keep an eye on your engine oil level regardless. There is no low oil level sensor on this engine (stupid, I know). If you run it low on oil, the plastic guides for the timing chain assembly will break down and your engine will jump time. Does your engine have the original timing chain assembly? if so, I'd replace it with a Cloyes kit.</blockquote>

[QUOTE="2012Equinox2.4Turbo, post: 21407, member: 7598"] You're good, friend. My goal is simply to be helpful. I have A LOT of experience with this platform (being the 2.0, 2.2, 2.4 Ecotecs) dating back more than 20 years. The Seafoam procedure I talked about in post #2 did work for me. Using STP as suggested by another member probably works too. I know it sounds weird, but what you really want and need to do is remove as much carbon as possible. Especially from the rings. Some people go as far as blasting the intake with walnut shells, yes, that's a thing, but honestly unnecessary for this application. That area I circled in Red on the pic is likely plugged up as well. Keep an eye on your engine oil level regardless. There is no low oil level sensor on this engine (stupid, I know). If you run it low on oil, the plastic guides for the timing chain assembly will break down and your engine will jump time. Does your engine have the original timing chain assembly? if so, I'd replace it with a Cloyes kit. [/QUOTE]

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