How much refrigerant used to recharge the AC system in a Honda Civic depends on how much the system needs. There will be a gauge on the refill bottle which is tell the user how much is needed in that one application.
about 130ish....
not sure about the 2002LX, but a stock 96EX civic has 127HP
the main difference is the front fenders and bumper, the rest is pretty much the same
'EX' is the trim package that your Civic came with from the factory.
125 horsepower
127 HP
approx. 3.3 L.
4.2 quarts.
127@6300
127@6300
125Hp@6600RPM
127 hp