Arlene Leonor Rodriguez, who was seven months pregnant, was in the 1100 block of North Neptune Avenue at about 11:25 a.m. Sunday while a man she was with worked on the vehicle's engine, according to the Los Angeles Police Department.
A suspect walked up and shot multiple rounds into the vehicle, striking Rodriguez and the man, police said.
The suspect fled, and paramedics took Rodriguez and the male victim to a hospital, where Rodriguez was pronounced dead, according to police. Her baby did not survive.
A small makeshift memorial featuring candles, a stuffed animal and flowers was set up at the scene of the shooting.
The male victim suffered a non-life-threatening injury and his vitals were listed as stable, police said.
Police did not have a description of the suspect, and urged anyone with information about the shooting to call Detective Coffee or Detective Tiffin at (310) 726-7887 or (310) 726-7884. Those wishing to report anonymously can call (800) 222-TIPS.
City News Service contributed to this report.