Clean the tip with a specialized electronic cleaner or gentle heat.
Before buying expensive parts, follow this sequence to find the root cause: 1. Visual Inspection Check the wiring harness leading to the NOx sensor. Look for frayed wires or signs of heat damage. Inspect the connector for corrosion or green "crust." 2. Live Data Analysis Use an OBDII scanner (like CAN Clip for Renault).
Sometimes the DF361 is a "sympathy" code caused by poor AdBlue quality. renault df361 best
Have you recently experienced a or a "Check Anti-Pollution" message?
This is a temporary fix and rarely works if the internal ceramic element is cracked. AdBlue System Check Clean the tip with a specialized electronic cleaner
Check if the AdBlue injector is clogged with white crystalline buildup. ⚠️ Why You Shouldn't Ignore It Ignoring a DF361 code can lead to:
Improper SCR function leads to more frequent DPF issues. Look for frayed wires or signs of heat damage
Only use Genuine Renault or high-quality OEM sensors (like Continental/NGK).
Renault frequently releases ECU updates to adjust sensor sensitivity.
If the sensor fails, the car may enter "Limp Mode" or start a countdown until the engine will no longer start. 🛠️ Best Diagnostic Steps