ʻO Delphi maʻamau injector control valve o YS he hana maʻalahi, ke kaumaha māmā a me ka hoʻohana haʻahaʻa haʻahaʻa. Hiki ke hoʻololi i ka manawa wehe a me ka manawa wehe o ka valve control e like me ka mea e pono ai. Ma kēia ala, hiki ke hoʻoponopono maʻalahi ka wehe ʻana a me ka pani ʻana o ka valve needle, hiki ke hoʻololi ʻia ka nui o ka wahie i loko o kahi ākea ākea, a hiki ke hoʻololi ʻia ke kānāwai injection o ka wahie injector.