Conditions For Running DTC

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0105, P0107, P0108, P0112, P0113, P0117, P0118, P0122, P0123, P0171, P0201-P0204, P0300, P0301-P0304, P0335, P0440, P0442, P0446, P0506, P0507, P0601, P0602, or P1441 are not set.
The Engine Coolant Temperature (ECT) is more than 158°F (70°C).
The engine speed is 1600-2450 RPM.
The fuel level is greater than 10 percent.
The engine is operating in Closed Loop.
The Throttle Position (TP) angle is 9-18 percent.
The EVAP control system is commanded open for more than 36 percent.
The purge learned memory is more than approximately 0.78.
The diagnostic completes when 30 seconds accumulated time has been spent in the above conditions.