Conditions for Running

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0133, P0135, P0136, P0140, P0141, P0153, P0155, P0156, P0160, P0161, P1133, P1134, P1153, P1154 are not set.
The fuel level is more than 10 percent.
The engine coolant temperature (ECT) is more than 60° C (140° F).
The engine is running in Closed Loop fuel control.
The engine has been running for more than 3 minutes.
The battery voltage is between 10-18 volts.
The mass air flow (MAF) is between 20-55 grams per second.
The engine speed is between 1,200-3,000 RPM.
The throttle position (TP) sensor is more than 5 percent.