I remembered that once people say this product can clean the whole system,including intake manifold? And people say use this before smog test can pass for sure.As they have "money back guarantee".........
I don't need to go for smog test now,yet I am thinking that if this will do something to my intake manifold and clean out some carbons stuff like this?
Any idea?
I don't need to go for smog test now,yet I am thinking that if this will do something to my intake manifold and clean out some carbons stuff like this?
Any idea?
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