I noticed today dat d engine of my car raised above d norma engine sound and later open my engine bonet and discover one air pipe dat connects air frm one port to anoda has a linkage when I try to seal d linkage with a tape d sound of d engine reduced pls GURUS in house dos it have any negative effect on d engine ? Pls wot d I do to avoide d air like n also bring d sound down permanently cos I tik it can also affect d consumtion of d fuel pls d DONS advice pls THANKS