[jrichardson42]

I have a 2005 G 2500 van with a 4.8 v-8 and im getting a P-0174B code which is a fuel trim system lean bank 2. I was told gm used the wrong intake gasket and this could make it run lean on that bank or could it be a o2 sensor going bad.The van only has 12,108 miles on it.