Yes they are,same part goes to them,just in different location.Here's a link to P1135. P1135 Toyota Air Fuel Ratio Sensor Heater Circuit Malfunction Bank 1... Here's a link to code P1155. P1155 Code General
P1135 Toyota Air Fuel Ratio Sensor Heater Circuit...
Air Fuel Ratio sensor need to reach...
Most likely not, they look the same but the plastic shell has a ridge coded into it that prevents hooking it up to the wrong sensor. I think you may have an issue with the O2 heater circuit, loss of ground or power.
SOURCE: getting code p1135 and p1155 on toyota rav4
Here's what the codes mean:
P1135 Air/Fuel Sensor Heater Circuit Response (Bank 1 Sensor 1)
P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2
This is mainly related to the oxygen sensors. It maybe the sensors themselves or an open wire going to te sensors. They are mainly located on the exhaust pipe. One before and on after the catalytic converter.
SOURCE: Codes P1155 and P1135 come up with diagnostic/
Looks like your both O2 sensors are bad. this is a picture of an example.
SOURCE: can code p0306 cause codes p1135 an p1155 to come on on a 1999 lexus es300
hello,the fault code [generic-po306] is a cylinder 6 misfire,and can throw up manufacture specific p1135 and p1155. get a local garage to remove the number 6 plug from your lexus,and view the electrode end to see if it is 'oiled up'as you could have an internal engine problem,however it is rare to just have 1 cylinder with a specific problem,and will most commonly be the coil,you would be better off to replace all the 6 spark plug's and the 1 coil for that defective cylinder, hope that helps, regards.
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