Conditions for Running

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0135, P0141, P0155, P0161 are not set.
The engine has been running for more than 2 minutes.
The engine coolant temperature (ECT) is more than 50°C (122°F).
The engine speed is between 500-3,000 RPM.
The battery voltage is between 10-18 volts.
The mass air flow (MAF) is between 3-40 grams per second.