Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The engine coolant temperature (ECT) is more than 40°C (107°F).
The engine has been running for at least 180 seconds and is in CLOSED LOOP.
Engine speed is at least 1,400 RPM.
The vehicle speed is between 40-80 km/h (25-81 mph).
DTC P0134 runs once per drive cycle when the above conditions have been met.