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

What do the DTC's P0420 and P0442 mean?

Asked by for the 2003 Chevrolet Cavalier
1 answer
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.