» » »

Chevrolet Q&A

Ask Your Question

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

 

Question

ohnonotme, Pomona, CA, March 05, 2014, 16:47
 Rookie

What do the DTC's P0420 and P0442 mean?

1 Answer
Flag This
  • Answer #1

    G. T. Service Center (4071 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG March 05, 2014, 19:48
    Profile_thumbnail
     Master

    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.

    Reply
    Flag This