Hey GUys i have liana RXI FF Cng i took the car to suzuki mandviwala motors as i was getting low mileage only 60 kms on full tank , the guy told tht air filter plugs and tappets shimes have to be changed got it done also tunning was done but i am not getting more than 80kms with ac On . Can anyone help me the guy at 3s is saying ur car is perfect ??