P0506 and P0507

WARNING: This page is about a different car, the 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0096, P0097, P0098, P0099, P0112, P0113, P0114, P0116, P0117, P0118, P0119, P0121, P0122, P0123, P0221, P0222, P0223, P0442, P0443, P0446, P0455, P0458, P0459, P0496, or P0700 is not set.
The engine load is between 32-75 percent, manual transmission and P0506 only.
The intake air temperature (IAT) is warmer than -11°C (+13°F).
The engine coolant temperature (ECT) is warmer than -11°C (+13°F).
The vehicle speed is 0 km/h (0 mph).
The engine is idling.
The cold start idle speed control is not active.
The evaporative emission (EVAP) intrusive leak test is not enabled.
DTC P0506 and P0507 run continuously once the above conditions are met for greater than 4 seconds.