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Q: MEANING CHECK VSC on 2004 Lexus LS430

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
my car shows the check VSC and enginge signs come alonge as well as traction off
when checked they said problem with carbon sanesor so what to do
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VSC stands for vehicle stability control (traction control). When this light comes on the TRAC OFF comes on as well and can be triggered by a problem with a sensor that may be shared with the emission control system or components monitored by the on board computer which will the turn on the yellow Check Engine Light. Codes read on the scan tool will be displayed as PO420, or P1325 theses codes refer to specific components that have failed or who's performance is compromised. The system you have been told has a problem is the evaporation emission system. There are specific tests to check the charcoal canister purge valve, gas cap, canister, ect...... before just replacing a part.
i have changed the catalyst on bank 2 but still the light is on
how to do tests to check the charcoal canister purge valve, gas cap, canister, ect.
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