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Banshee365

Which Coolant Sensor Does What?

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1996 LS400. I have a CEL showing a bad temp sensor and bank 1 secondary o2 sensor. The car has been idling irradically and very high, I think caused by the bad coolant sensor. I think there's one in the radiator and one in the block. Which sensor does what so I know which to replace. Thanks!

-Kelly

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