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06-10-2020, 08:33 PM | #1 |
Drives: 07 Yaris Join Date: Jun 2020
Location: New England
Posts: 3
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P0138 still coming of after changing rear o2
Hi,
I have a CEL P0138 which is high voltage bank 1 sensor 2. I blindly replaced the rear sensor assuming it was bad (original sensor 230k miles). But after about 45 min of driving the light came on with the same code. Today I tested the new sensor with a multimeter and got the proper 16ohm on pins 1+2, but just got a "OL" reading on 1+4 when it was supposed to be over 10kohm. Is this the proper test as per the FSM? Is it possible my replacement was bad out of the box? (Denso) Where else should I start to chase this down. Thanks! |
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