Silverado Running Rich? I found the problem!! P0172 P0175  4.8 5.3 6.0 6.2

Silverado Running Rich? I found the problem!! P0172 P0175 4.8 5.3 6.0 6.2

Excess fuel vapor leads to rich codes !! #keepwrenching #wesselmotorworks #wrenchingwithkenny