Diagnostic Report: P2000
NOx Adsorber Efficiency Below Threshold (Bank 1) - Expert Analysis
iCarsoft CR Pro S
Technical Insight
The P2000 code specifically indicates that the Engine Control Module (ECM) has detected that the NOx Adsorber (also known as a NOx trap) on Bank 1 is not efficiently removing nitrogen oxides from the exhaust gas. Unlike standard catalytic converters, NOx adsorbers are highly sensitive to fuel quality and exhaust temperature management.
* Advanced diesel diagnostics require professional-grade data streaming *
Diesel Exhaust Resources
- Precision Tool: Master your diesel diagnostics with the iCarsoft CR Pro S for Advanced Systems.
- Related Guide: Dealing with fuel rail issues? Check our P228C Fuel Pressure Guide.
- Environmental Data: Reference the EPA Diesel Fuel Standards to understand the impact of fuel quality.
P2000 FAQ
Will P2000 put my truck in "Limp Mode"?
Yes, many modern diesel trucks will eventually limit vehicle speed if the NOx efficiency remains below the threshold for an extended period.
Can a forced regen fix P2000?
Sometimes. If the adsorber is lightly soot-loaded or sulfur-fouled, a forced regeneration via the **iCarsoft CR Pro S** can burn off the contaminants and restore efficiency.
Is this related to the SCR system?
They are closely linked. While P2000 focuses on the adsorber catalyst, issues with the SCR (Selective Catalytic Reduction) often manifest alongside NOx efficiency codes.
