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Lexus LS600h Problems

Check Engine Light Due to Code P1423 on Lexus LS600h

Problem Description and Possible Solution

The Check Engine Light may illuminate with a code P1423 stored as a result of a large evap system leak. Our technicians tell us this is often caused by a poor seal between the gas cap and the filler neck, revised parts are available to correct this concern.

(3 people reported this problem)

Lexus LS600h Vehicles With This Problem

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Average mileage: (–)
2 model years affected: 2008, 2009
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Brake problem? Or maybe a faulty head gasket cylinder?
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