twil34434 Posted December 1, 2017 Share Posted December 1, 2017 Has anyone replaced knock sensrs on their LEXUS 430. And where are the located. I have bank malfuncion code. Quote Link to comment Share on other sites More sharing options...
brainsurge Posted December 11, 2017 Share Posted December 11, 2017 On the GS/LS/SC 430 you have 2 O² Sensor on each bank, one prior the cat and one after to monitor it's function. What is the exact fault code? Quote Link to comment Share on other sites More sharing options...
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