FITMENT:
Compatible with Citroën C4 Picasso and Citroën SpaceTourer diesel models equipped with SCR emission systems.
OEM reference number: 9817308880.
Used in diesel exhaust aftertreatment system for NOx monitoring (SCR/AdBlue system).
Installed in exhaust system (upstream or downstream position depending on configuration).
Fitment must be confirmed by OEM part number and vehicle emission system setup before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM number 9817308880 with your original sensor and verify connector type and wiring length.

Q2: Where is this NOx sensor installed?
A2: It is installed in the SCR exhaust system of Citroën diesel vehicles, before or after the catalytic converter depending on setup.

Q3: What are common failure symptoms?
A3: Engine warning light, SCR/AdBlue system fault, incorrect NOx readings, or reduced engine performance.

Q4: Is this compatible with both C4 Picasso and Spacetourer?
A4: Yes, it is used across multiple PSA platform diesel MPV models depending on emission configuration.

Q5: Does replacement require coding?
A5: Some vehicles may require system reset or diagnostic adaptation after installation.