DTC Descriptors: Notes
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTCs:
- DTC P0172 HO2S Fuel Trim System Rich Bank 1
- DTC P0175 HO2S Fuel Trim System Rich Bank 2
DTC P0172 or P0175
| HO2S Indication | Short Term FT Action | Long Term FT Action | Short Term FT Response |
|---|---|---|---|
| Lean Condition | Quick Increase of 1% or More | Slow Increase of 1% or More | Return to 0% |
| Desired Condition | Stays Near 0% | Stays at Learned +/- Value | Stays Near 0% |
| Rich Condition | Quick Decrease of -1% or Less | Slow Decrease of -1% or Less | Return to 0% |