Not really. They discovered this new detergent by accident. Testing showed that it took 4 OCIs minimum to complete cleaning. This is confirmed by multiple reports here.
It could take 4 or more for complete cleaning, but that may depend on the level of cleaning needed. Going in expecting it’s going to take several oil changes is the more reasonable understanding from the outset.
They actually used to say it may take up to 4 oil changes. Now they are more clear saying a minimum of 4 or more for the complete cleaning it’s capable of.
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