P0134 Ford - escape

Question

already replaced the 2 O2 SENSORS but DTC P0134 always appear.
after erasing the codes the scanner says ERASE FAILED but the CEL disappears
for only a few minutes and lights up again.

Answer 1

P0134 -02 sensor circuit no activity detected Bank 1 Sensor 1

Failed connection somehow you have  poor conection with the 02 sensor, when the CK ENG LT reappear very quickly this is considered a hard code.

 Here a Ford that came with a P0134, according to the owner the 02 sensor installed is new and installed just 1 day ago.

Being a P0134 represent that the ECM does not see the 02 sensor looking at the connection just explained the problem

 

Removing the protective tape, revealed the reason for P0134, this is a failed connection, replacing the harness resolved the code condition. This says alot for P0134 there is somehow a failed connection that results in P0134