| Model | Year | Condition | Remarks |
| Blazer | 1998 | Poor fuel economy | Poor Fuel Economy/Poor Idle |
| Blazer | 1998 | Poor fuel economy | None |
| Blazer | 1998 | Unknown | Runs good with 200k miles |
| Silverado | 2005 | misfire | None |
| Silverado | 2005 | misfire | p0300 |
| Jimmy | 2005 | Known good | None |
| Jimmy | 2001 | Lack of power | None |
| C/K series | 2007 | misfire | None |
| Blazer | 1999 | Known good | None |
| Jimmy | 2005 | Unknown | Intermittent cold rough idle p0506 |