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p0133 02 sensor slow response V70-XC70

posted by  Volvov70.98 on  Mon Jan 27 15:09 CST 2020
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hey guys still the same thing now i tested the o2 sensor side the 2 white wires are the heater i got continuity with a meter good now i want to test the pcm or ecu side of the o2 connector but not sure which one to test to the negative battery terminal to see if ecu is putting out 12v im wanna sat the brown wire on the ecu side to the negative battery terminal should give 12v im i on the right page






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