DTC P0451: EVAP Tank Pressure Sensor - Performance Problem: Conditions
WARNING: This page is about a different car, the 2003 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.
The following conditions apply for this DTC:
- Ignition switch in ON position.
- Vehicle speed = 0 km/h.
- Pressure variation greater than +/- 0.5 kPa.
- Deviates more than 25 times during 5 s.