P0440 code in '02 cavalier...evap problem...acdelco company not sure if i need vent soleniod near fuel tank or intake manifold. i had transmission replaced last year, along w/ o2 sensor. light is still on...engine light on causes emissions test site to reject my car. i need to buy the correct part. thank you!
please help i'm a student teacher and need to get to the school. thanks!