2001 Chevrolet Silverado 2500 HD Q&A

2001 Chevrolet Silverado 2500 HD Question: My truck starts sometimes first try other times wont message center security

I recently changes fuel pump fuel filter air filter ignition switch nothing has helped now wont start at all -
Answer 1
TRY ANOTHER KEY IF YOU HAVE A SPARE. OR GET A NEW ONE CODED -