Spark Siemens/Continental D52 dtc off

[toanpro]

Hello
Can you help me with a dtc off on a Chevrolet Spark 2010
fault code: P0053, P0171
25182025
5WY1K11A
D52
AM29F400bb

[volodin69]

Why don't you change lambda 1?

[toanpro]

I replaced it but once in a while it failed again....