Conditions For Running DTC

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0101, P0102, P0103, P0106, P0107, P0108, P0112, P0113, P0117, P0118, P0121, P0122, P0123, P0125, P0131, P0132, P0133, P0134, P0135, P0137, P0138, P0140, P0141, P0151, P0152, P0153, P0154, P0155, P0157, P0158, P0160, P0161, P0171, P0172, P0174, P0175, P0200, P0300, P0440, P0442, P0446, P0506, P0507 are not set.
The engine run time is more than 15 seconds after Closed Loop operation.
The engine load is less than 33 percent.
The engine air flow is less than 20 g/s.
The engine speed is more than 750 RPM.
The ignition voltage is more than 11.7 volts.
The air/fuel ratio is equal to 14.7:1.
The Engine Coolant Temperature (ECT) is between 36-230°F (2-110°C).
A fuel trim cell of 4 or 5.
The Intake Air Temperature (IAT) is between 68-212°F (20-100°C).
The fuel system is not operating in power enrichment or deceleration fuel cut-off (DFCO).
The short term fuel trim is +3 to -3 percent.
The start-up ECT is below 176°F (80°C).
The vehicle speed is less than 25 MPH.
The HO2S voltage remains above 222 mV for more than 2 seconds.