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

Check engine light

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Old 06-01-08, 07:57 AM
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JMIG118
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Default Check engine light

My check engine light turned on last night on start up.... and is still on today....first is how can check what turn on the check engine light? any series of buttons to show what when wrong, or will i have to use a scan tool?
Old 06-01-08, 08:05 AM
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SH212
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scan tool, i see your in florida
go to advanced auto parts
for me they ran the scan for free read me the code and found out what was the problem
i wouldnt know if they would charge you but hey that check engine light could be bad or could be nonsense
i would get it checked fast

good luck!!

keep us updated on what it was for
Old 06-01-08, 08:13 AM
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anotherLS
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what year is your LS? i had the same thing on my 01...mine was the driver front 02 sensor that had to be replaced...kinda common on the LS
Old 06-01-08, 08:19 AM
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mikevanle
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Autozone scans cars for free.
Old 06-01-08, 08:50 AM
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JMIG118
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just when to autozone and scaned for codes....three codes for evap system...

0440--evap cntlsys malf
0441--evap cntl sys purge flow fault
0446--evap cntl sys vent circuit malf

the codes where removed and have not come back so far...

what could have cause this error? is there anything that may need to be replaced???
Old 06-01-08, 11:48 AM
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Lexophile
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Hi

I had a very similar problem! Recently, after flushing the transmission, changing the plugs, air filter and oil and oil filter. I don't know which caused it to happen but both the traction control warning and the "check engine" warning came on.
I turned the car on, started her up and sat with my foot on the (foot) brake for a minute or two. I turned the car off and... Hey Presto! the warnings went away never to return (as yet) The car runs so silently that last week I got out, went shopping and, when I returned 20 minutes later, I realised she was still ticking over!
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