P0135

[manolo]

Hi
please, need advice.
get error P0135 (O2 sensor heater circuit multifunction bank 1 sensor 1) After switching place with other side O2 sensor (bank 2 sensor 1) get the same error P0135?
any advice?
THX

[frostbite]

You have a duff sensor that needs replacing

[manolo]

You have a duff sensor that needs replacing

and why didn't I get new error code P0155 (O2 Sensor Heater Circuit Malfunction Bank 2 Sensor 1) ?

[05omegav6]

You have a duff sensor that needs replacing

More likely a loom fault if switching sensors changes nothing

[05omegav6]

What engine?

[manolo]

y26se

whats mean loom fault?

[05omegav6]

There's likely a break in the heater wire to that particular sensor position.

Probably at a crimped connection in the cable tray next to the plenum, assuming the heater circuit is the common feed