LS - 3rd Gen (2001-2006) Discussion topics related to the flagship Lexus LS430

P0440 Help

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Old 09-30-15, 08:23 AM
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Jbthompson
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Default P0440 Help

Hi everyone. My 01 LS has been having quite a few fits recently unfortunately. I now have a CEL on and after scanning I am seeing P0440. I have checked the gas cap and all hoses are fine. My air intake manifold piece was cracked and I fixed that with some vacuum connectors. I am thinking that might be my problem but I have been running with that part cracked and the hose disconnected for weeks with no CEL. No that i've reconnected it I am getting a CEL. Any thoughts?
Old 09-30-15, 09:19 AM
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Lavrishevo
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This may help:

Old 09-30-15, 12:50 PM
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Jbthompson
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Thanks Lav. I have literally had issues with this car over other week for the past six months. this looks like tough fix
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