ookii 2 Report post Posted December 21, 2023 Hey team, I have a GDI intake valve cleaner by CRC. Should I just remove the entire box of the air filter and spray directly in the intake pipe? My engine is N46B20B Quote Share this post Link to post Share on other sites
Lubed 55 Report post Posted December 22, 2023 Your engine is port injection, the intake valves remain clean by the fuel wash from the injectors. One less job for you. 1 Quote Share this post Link to post Share on other sites
