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How do you fix P1155 error code AF Ratio sensor in a Toyota RAV4 2003?
Wiki User
∙ 13y ago
Bank 2 sensor 1 Air fuel sensor heater circuit. This sensor is NOT an O2 sensor, though it operates like one and in the same location(in exhaust stream). Basically the PCM detected that the heater circuit was drawing excessive amperage or no amperage. Usually it's a bad a/f sensor and replacing it will fix it, however, it doesn't rule out the possibility of damaged wiring or an open in the power or ground circuit, or a short in the power or ground circuit.
Wiki User
∙ 13y ago
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What is the P1135 error code on a 2002 Toyota RAV4 you were told it is the air fule sensor if this is true where is the sensor located?
I have toyota rav 4 03 and i have the engine light on, I got it diagnosed and p 1135 which is the o2 fuel sensor but, which one?
What is the P1135 error code on a 2002 Toyota rav4 i was told it is the air-fule sensor if this is true where is the sensor located?
Yes P1135 is an Air Fuel Ratio sensor which in order to get the correct part you have to buy from the dealer and its about $230. I have the same issue with My Camry with has the same motor as your Rav 4. BUT I changed my air fuel ratio sensor and the light came right back on in about 60 miles with the same exact code so I don't know what to trouble shoot and try next....
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Trouble code P1135 means: Air-Fuel Sensor Heater Circuit Response Malfunction
