DTC Parameters

WARNING: This page is about a different car, the 2002 Saturn LW200, 2002 Saturn L200, and 2002 Saturn L100. However, it is still accessible from the selected car via links, so may be relevant.

Engine running more than 200 seconds.
Engine speed 2350-3000 RPM (M/T) or 1800-2300 (A/T).
TP angle 22-40 percent (M/T) or 8-15 percent (A/T).
ECT more than 158°F (70°C).
Fuel level is more than 10 percent.
Evaporative purge is commanded to 80 percent or greater.
System in closed-loop mode.
No CKP, ECT, EVAP, fuel injector, fuel tank pressure, fuel trim or TP DTCs are set.

DTC sets when the number of rich-to-lean counts are less than one (A/T) or 2 (M/T), or lean-to-rich counts are less than one within 30 second test period.