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Throttle body

jhm

By jhm
in Ask A GM Technician

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jhm Senior Enthusiast

jhm

Posted
Posted

I checked the throttle body on my '01 4.8l with 46k on it. I was expecting to see some crud and clean it. I was pleasantly surprised to see shiny clean metal, no crud inside or on the butterfly. I only used a in the tank cleaner once, but change the air filter about every 5-6k. Is this what you would expect to see on this engine? I am not complaining, just curious. Thanks!

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