oil pan gasket on 1996 Toyota Camry

oil smell burning on exhaust . check under the car and seen oil leak on the pan edges some bolt's are loose.

2 answers
Engine leans back on the 4 cyls. causing valve cover to leak on back side and run down engine onto frame on passanger side then splash on exhaust under car. same problem with mine. change valve cover gasket
It is common for the distributor O-Ring to leak and or the valve cover gasket to leak (ensure the valve cover bolts are tight). Oil leaks down and may appear like the oil pan gasket is leaking. Camshaft seals, crank seal and oil pump seal also leak inside the timing cover so make sure you isolate the correct source of the oil leak. The oil pan uses sealer and not a gasket from the factory. Felpro may make a gasket.