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High Idle After Throttle Body Cleaning!

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  • 1 year later...

BlexusGS, what was the issue?

I have a 01 GS300 with 200k miles. I changed the plugs and cleaned the throttle body this weekend. The throttle body had very heavy deposits and plugs were shot. Idle was at 1500 rpm when I restarted it. I pulled the TB back off to verify the gasket was seated properly, and checked the vacuum line. All appears well. I'm thinking it might be a sensor problem??

Any help would be appreciated.



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