Emission problem C4 1.6 VTi

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Romplaaja
Posts: 1
Joined: 20 Jul 2023, 11:25

Emission problem C4 1.6 VTi

Post by Romplaaja »

My C4 1.6 VTi 2011 fails the emission test.
CO% is 0,55 (should be under 0,2 to go through)
HC PPM 9
CO2 14,8
O2 0,34
Lambda 0,999

I recorded o2 sensor readings
1689849687808.jpg
Could it be faulty o2 sensor?