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Today I went to pick up my vehicle at the mechanic's shop, I needed to install the rear oxygen sensors and I had ordered some O2 Sensor Extension Harnesses for this. A few days ago they arrived and were installed, when we started the vehicle began to present the DTC P20BE-004 (P0135) (right o2 sensor), we exchanged the rear oxygen sensors to check that it was the sensor that was damaged, but still gave the same code (right o2 sensor), we checked the lines and everything was fine. I have read here in the forum that it could be the Purge Valve.
Any idea?
PD: I'm using vrpspeed O2 Sensor Extension Harnesses, 4 of them (rear o2 sensors) because of the longtubes.
07-01-2021, 06:33 PM
E55 AMG P0135 (P20BE-004) Help...
