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2008 Lexus GS450h – Engine Will Not Idle After Codes Cleared

Aug 15
1 min read

Updated: Aug 15

CUSTOMER CONCERN

Customer states the engine will not idle after diagnostic codes were cleared.

CAUSE

Clearing adaptive memory exposed throttle-plate deposits and removed the learned idle correction values.

CORRECTION

Remove EFI and ETCS fuses for the specified reset period, clean throttle body and perform throttle-body idle relearn. Verify stable idle operation.

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2008 Lexus GS450h – Engine Will Not Idle After Codes Cleared

CUSTOMER CONCERN

CAUSE

CORRECTION

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