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Location: Newcastle and Spokane, WA
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In one simple picture.
SophieSleeps had posted this a while back with wiring diagrams, thought I'd follow up with a picture since I fixed one today. To confirm, all we did was cut/tap 1 wire to another.
Image shows what to do to fix a P0161 CEL on a 2002+ Is300.
To fix a P0141 (B1S2 Heater malfunction), all you have to do is switch which wire is cut and which is tapped, so instead of cutting red and tapping to green, you cut green and tap to red.
you need to be able to tap into one or the other, if both are malfunctioning than you need a new o2 sensor.
I have the bank1 sensor 2 failure on 2001 IS 300, too..
Will this trick work for the 2001 model? =)
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