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2002 Toyota Tacoma Question: Where do I find a sensor P1135?

 

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Julie57, 3.4L V6, Port Hueneme, CA, August 10, 2010, 17:47
 Rookie

My "check engine" light is on. Took it to someone who checked it for me. He said I need a sensor P1135. Replacing it is fairly simple.
Where do I find the sensor and how do I install it? Is there a diagram that I can read and follow as for direction? The check engine light is on all the time.
I'm due for a smog check and I need to repair the problem.

Thanks!

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, August 10, 2010, 18:12
     Master

    You'll definitely need to fix this before you go for your smog inspection. This is a common issue on these engines, so I suggest going to Youtube and performing a search to see if there's some info. I bet you'll find something because of the high failure rate.
    Good Luck

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  • Answer #2

    mastertech6371 August 10, 2010, 18:21
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     Master

    i agree but to be sure you should get a real diag from a real tech at a real shop. there are several issues with 1135. the sensor is not cheap and you want to be sure you are doing the right thing

    Roy

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    Bret Bodas, August 10, 2010, 21:28
     Master

    Good points Roy, thanks for the back-up!

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  • Medium-star Best Answer
    patrick mannion from Greg Solow's Engine Room, August 10, 2010, 22:53
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     Master

    Hello Roy and Bret,
    Code P1135 is for Bank 1 sensor 1 O2 Sensor heater circuit failure. Its the one code on a Toyota that is always correctly identified as a failure. Disconnect the O2 sensor check the two black wires at the sensor side of the harness for continuity if they are open the sensor is bad. Use a Denso sensor, NGK or SNG sensor that is a direct fit not a universal fit sensor.

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