Conditions for Setting the DTC: P013A
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the EWMA of the normalized integral value equals 8.4 integral units.
OR
- The ECM detects that the accumulated mass air flow monitored during rich-to-lean transitions between 450-150 mV is more than 28 grams.