Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
P043E
- The ECM detects the EVAP leak detection pump pressure is greater than 4 kPa (0.58 PSI) after 6 min.
OR
- The ECM detects the EVAP leak detection pump pressure is greater than 4.5 kPa (0.65 PSI) after 30 s.
P043F
- The ECM detects the EVAP leak detection pump pressure is less than 1.18 kPa (0.17 PSI) after 6 min.
OR
- The ECM detects the EVAP leak detection pump pressure is less than 1.18 kPa (0.17 PSI) after 30 s.
P145F
The ECM detects the difference between the first and second EVAP leak detection pump pressure measurement is greater than 0.51 kPa (0.073 PSI).