Additive Adaptation: Diagnostics
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.
- When the additive value reaches +4 mg fuel/combustion, diagnostic trouble code P1181 will be generated.
The most probable causes are:
- Air leak after the throttle.
- Low fuel pressure.
- When the additive value reaches -4 mg fuel/combustion, diagnostic trouble code P1182 will be generated.
The most probable causes are:
- Purge valve stuck open.
- Air leak before the throttle.