i notice some oil on the ground.so i jack up the car slide under the car and noticed oil to be leaking from a retangular plastic cover or door. i open it and i see the flywheel.could the oil pan gasket leak inside this plastic cover. or is the leak from something else. :dunno:

If you could see the flywheel then it's probably the rear main seal leaking or the input shaft seal on the transmission.

no it is not transmission fluid.its oil.its a plastic cover connected to the oil pan. im assuming it is the oil pan gasket.

Can't quite follow you since I have the 1.9L. but it sounds like you are talking about an inspection plate on the flywheel cover. There should not be oil in the same compartment as the flywheel.