Code P20EE reports poor NOx sensor efficiency, bank 1. On the Fiat Tipo 1.6 Multijet it appears together with code P2000 and lights the engine warning light without affecting how the vehicle runs.
- System
- Exhaust emissions
- Component
- Diesel particulate filter
- Fault
- The engine warning light comes on, with the vehicle running correctly.
- Typical symptoms
-
- Engine warning light on
- The vehicle runs correctly
- Cleaning and forced regeneration do not clear the fault
- Vehicles affected
-
- Fiat Tipo 1.6 Multijet
- Main code
-
- P20EE NOx sensor, bank 1, poor efficiency
- Related codes
-
- P2000 Insufficient NOx filter efficiency
On this fault the diagnostic tool often returns several codes together.
- Solution
-
See the repair procedure verified on Sema Repair.
The cause and the repair are on Sema Repair
On Sema Repair this code is linked to verified case studies, with the confirmed cause case by case, the job step by step, indicative times, the manufacturer's notes and a photograph of the component with the point of intervention highlighted.