It may be sitting in the trap which should be located directly below the drain.
The drain spouts should be located in four positions around the car. Two in the front, behind the wheels. Two in the back, located behind the wheels. A liquid can be introduced to the drainage system to pinpoint the location.
the drain plug is located on the back side of the oil pan under the car.
On the back of the engine oil pan.
Oil drain plug is located at the back of the engine, right side, ( foot brake side ) towards the bottom of the engine.
the drain plug is at the end of the tubing coming off the back of the oil tank
The coolant drain plug on the 1993 Honda Civic is located right below the manifold bolts close to the transmission side. There is another drain plug located on the back of the block left of the fuel filter.
All that you need to do is unclog the a/c drain tube that is located on the passengers side..
petcocks are usually located on one of the bottom corners of the radiator, on the back (engine side).
If you're talking about the oil pan, it's on the bottom/side (facing the back of the car). It's either a 13mm or 16mm (I forget which) on my 2.0L. There are other drain plugs on cars, so your question should be more specific.
12 inches from the center of the drain to the back wall behind the tank. Some toilets are 10" rough in. Also should be 18" from side wall to center of toilet if possible.
the oil drain plug is located on the back side of the engine. look for a metallica/grey oil pan that is facing towards the rear of the car,locate the bolt that uses a 5/8ths inch socket/ratchet. turn counter clockwise and you should be good to go