It happened after 10:00 Thursday morning on Chestnut Hill Road in Salisbury Township.
The woman was pronounced dead at the scene. An autopsy revealed the cause of death to be related to suffocation and thermal injuries.
Police are still trying to identify the victim.
She is described as light skinned, Hispanic Female approximately 20-40 years-old.
The victim is 5'-5'2" tall, 150-175 pounds with brown hair. She also has a tattoo on the right side of her neck with the inscription 'JAVI.'
Police believe the victim was wearing gray sweatpants, a red shirt, and some type of black tightly woven material.
The victim also had a woven style bracelet with Puerto Rican flag beads.
Anyone with information on the victim's identity is asked to contact the Salisbury Township Police Department at 610-402-2400.