Conditions For Running DTC

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0137, P0138 P0140, P0141, P0143, P0144, P0146, P0147, P0151-P0155, P0157, P0158, P0160, P0161, P0171, P0172, P0174, P0175, P0300, P0500, P1106, P1107, P1111, P1112, P1114, P1115, P1121, P1122, P1133, P1134, P1153, P1154, P1351, or P1361 are not set.
The Mass Air Flow (MAF) is less than 22 g/s.
The engine load is less than 33.25 percent.
The air/fuel ratio is 13.125:1.
The engine speed is more than 900 RPM.
The Engine Coolant Temperature (ECT) is between 158-230°F (70-110°C).
The system voltage is more than 11.7 volts.