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Hi all,

i am a new kid on the block and hope someone out there can help. I have a Gs300 (2001) and the engine management light comes on and off. Been to Lexus twice and the code " P0430 - Catalyst system effiency below threshold ( bank 2)" is showing. lexus tell me it is a sensor but it will need more investigation and wallet lightening to determine which one. By the way the car runs fine all the time the light is on. can anyone point me towards the correct sensor ? any help will be appreciated.

desperately yours

manxy

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