| Model | Year | Condition | Remarks |
| Traverse | 2011 | Known good | 135k, runs good no lights |
| Traverse | 2014 | Unknown | P0300 on cold start in history, but tried 3 cold starts and ran perfect each time |
| Acadia | 2009 | Hesitation on accel | b1 intake cam actuator bouncy |
| Acadia | 2009 | Unknown | new b1 vvt solenoid and oil |
| Acadia | 2007 | misfire | P0300. |
| Acadia | 2011 | Unknown | P2033 |