| Model | Year | Condition | Remarks |
| Equinox | 2010 | Poor fuel economy | 18.4 avg mpg. P0171 p0420 |
| Regal | 2012 | Known good | Codes recently cleared, runs good |
| Equinox | 2015 | Known good | Eco mode |
| Equinox | 2016 | Unknown | Power seems a little low like maybe exhaust is a bit restricted?? |
| Malibu | 2011 | Known good | None |
| Malibu | 2009 | Known good | None |
| Malibu | 2011 | Known good | None |
| Regal | 2011 | Known good | None |
| Terrain | 2013 | Known good | None |
| Terrain | 2012 | Known good | None |