[gman9-5]

Three months ago i had a new front oxygen sensor fitted as engine managment light came on and code read bank one sensor one p0134 i think, now light has come back on reading the same problem, it was replaced with a genuine bosh sensor, before i pay for another sensor any idears what else this might be, thanks.

 

[gghh]

Check the wiring and the big main connector in the engine bay, especially the wiring pin 3 O2 connector to the pin 58 of the ecu.