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

new owner of ls430 and it has codes

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Old 10-30-17, 03:29 PM
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SexiLexxi
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Default new owner of ls430 and it has codes

I am curious to know if the VSC light is connected to any of these engine codes.

P1570
P0430
P0446

My vehicle is giving off all those codes and the VSC light will not come off.

My gas door will not open as well. I am so confused as to why this car has all these dag on issues and are they related some how?
Old 11-01-17, 01:02 PM
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Legender
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Sorry about all the problems. Not sure of the history of the car, we might need some more information. How many miles? When did the problems start happening?
generally the VSC light can be connected to failure codes and does not represent a problem with the VSC system.
Have you looked these up to see what they could be related to? They might be related in that you fix one and you could fix the other.
Have you been asked the store to clear the codes to see what order/when they come back?

Here is some interesting reading on two of your codes:
http://www.10w40.com/features/diagno...uel-efficiency

A simple fix for the Evaporator is the replacement of the fuel cap if the seal is no longer functioning.
I believe there is a manual release for the fuel door in the trunk if it's not operating from the dash area.
Old 11-03-17, 06:04 AM
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2KHarrier
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there's a fuel door release on the left side of the trunk, behind a panel, IIR. You should be able to open it there, and check the security of the gas cap.
Old 11-03-17, 10:39 AM
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biacs
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I recall a VSC light issue -here it goes. The headlight level sensor is a pivot arm behind driver rear tire. It mounts to the sway bar and floats with the car and adjust head light levels.

Anyway mine was all seized up and bent. Car sat for some periods previously. Anyway if yours dosent look healthy, it may be a cause.
Old 11-03-17, 12:46 PM
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bloomwcjkl
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PO430 is passenger side catalytic converter. Check the Y pipe for cracks/rust. If that checks out ok, then it is the Cat Converter.

I recently did the passenger side and it removed that code.
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