sir...even 9th gen altis have a CAT con alongwith o2 sensor...most of guys didnt believe until shown pics....even manual says is clearly, but we as nation think that its the most irrelevant n useless document when comes to car maintenance, the USTAAD jee has given verdict....go for 20W-50
sare masael ka aik hi hal
nawab tubewell nawab tubewell