Quote Originally Posted by travajante View Post
I have that, not a fan. Sadly build-up is inevitable for GDIs. We can only try to push it back via the care mentioned above. Good gas, proper FS oil, religious/short OCI, injector/deposit cleaners & fewer short trips will surely help. Walnut is still the only efficient & systematic way to thoroughly rid of build-up, sir.

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That video from Felix Dan that I shared ussd chemicals to get rid those carbon deposit from the intake valves. Seems effective and easier to do I think.