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I got the code P0128, where is the location for the thermostat on my 2003 Lexus LS430?

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I got the engine code P0128, where is the location for the thermostat on my 2003 Lexus LS430?

Vehicle: 2003 Lexus LS430

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Remove the 3 nuts and disconnect the water inlet from the water inlet housing. The thermostat is behind the water inlet.

Lexus LS430 Thermostat Location

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