2003 Chevrolet Cavalier Q&A

2003 Chevrolet Cavalier Question: my car wouldn't pass smog because of EVAP leak detected, what does that mean?

What do the DTC's P0420 and P0442 mean? -
Answer 1
You have a problem in your evaporative emission system, it monitors your fuel emissions for leaks. Take It to your mechanic to have it tested. -