Anonymous posted a question about 2004 Chevrolet Cavalier:
"2004 chevrolet cavalier engine light on. OBD2 has error code 0455 evap leak (large leak)...."
Anonymous posted an answer for this 1998 Pontiac Sunfire:
"I had the same code for my 2004 chevy cavalier and it turned out to be the evap solenoid..."