Someone tell me why my 2004 Trailblazer is not passing emission it did the first time my 3rd light is out an my rear wipers don't work,the manager said am not running it enough, take it on the highway put some fuel ejector cleaner in the gas ta

Do you really think someone on the internet can tell you that? A mechanic can fix your car, but no one can fix your stupid

Maybe your oxygen sensor is bad. Try to check it.

Take your vehicle to a mechanic.

Need service

Visit ur local mechanic and find out.