Technical Description: Purging: Diagnostics: Notes

WARNING: This page is about a different car, the 2003 Saab 9-3 and 2002 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Pressure sensor

If the sensor voltage is too low, diagnostic trouble code P0452 will be generated.
If the sensor voltage is too high, diagnostic trouble code P0453 will be generated.
If the pressure value is implausible, diagnostic trouble code P1451 -P1453 will be generated.