It's located right underneathe the engine. It's towards the drivers side of the car. You can see it right on the bottom of the oil pan.
Where's the oil plug located
The oil pan is underneath the motor on a Honda Passport. You can take the car to a mechanic to have the oil pan changed.
M14 x 1.50
How many quarts of oil does a 2001 Honda passport hold
The engine oil capacity, of your 1999 Honda Passport, is for quarts. The manufacturer recommends; you do not over fill the motor oil.
Go underneath the car and find the oil panel... there should be a bolt on the panel and just unscrew the bolt.
Bottom of the engine, at the rear sde of the oil pan. 17mm size bolt.
you have to remove the pan and pour the oil out but once removed you can buy a kit to put a drain plug in it
The LX has a D16Y7 engine where as the EX has a D16Y8 engine, they have different engines but the oil pan plug from the LX should fit into the EX. The blocks of the engines are the same size 1.6L having the same size oil pans. So the Oil plug should fit without any problems.
Single and double oversized plugs are available at auto parts store or rubbger plug can also be used
Turn it counterclockwise.
2006 honda odyssey engine oil drain plug torque