Conditions for Running the DTC
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions must first be met:
- DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0120, P0201, P0202, P0203, P0204, P0205, P0206, P0220, P0442, P0443, P0446, P0449, P0452, P0453, P0454, P0455, P0464, P0496 are not set.
- DTCs P2A01, P0401, and P0420 are not commanding fuel.
- The system voltage is between 9-18 volts.
- The scan tool special functions are not active.
- The Air Fuel Ratio parameter is between 12:1-16.5:1.
- The TP sensor parameter is between 4-40 percent.
- When not in the power enrichment (PE) mode, the following conditions must also be met:
- The Air Fuel Ratio parameter is between 12:1-16.5:1.
- The TP sensor parameter is between 4-40 percent.
- Loop Status parameter is closed.
- The ECT parameter is less than 131°C (267°F).
- All fuel injectors are ON.
- Traction control is not active.
- During PE mode, the following conditions must also be met:
- Engine Run Time parameter is more than 5 minutes.
- The Air Fuel Ratio parameter is more than 16.5:1.
- The above conditions are present for at least 2 seconds.