I had my catalytic converter stolen on my 2013 Toyota Tacoma and they cut the oxygen sensor wires so I bought one from e bay and the down stream sensor also my problem is I don't know how to match the one i bought is supposed to be a denso with a purple,grey,black,and white wires so the pig tail left on my truck colors are the oem blue,white,black and black I need to connect them properly but don't know how, can some one please help me with this issue thank you
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From a quick search, it seems your part may be a repackaged Delphi sensor, which has the following color coding:
- Signal: Black
- Ground: Grey
- Heater: Purple + White
Match those to OEM colors, which are
- Signal: White
- Ground: Light Blue with White
- Heater: Black + Black or Black + Green
The positions of the heater wires don't matter (e.g. they can be swapped).
Sources:
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