What the heck is a throttle body? We have a 2007 Toyota 4Runner with 85,000 miles and a 2011 Toyota Venza with 45,000 miles. Our Toyota dealer is pushing us to service the “throttle body.” I agreed to ...

Dear Car Talk: What the heck is a throttle body? We have a 2007 Toyota 4Runner with 85,000 miles and a 2011 Toyota Venza with 45,000 miles. Our local Toyota dealer is pushing us to service the ...

The throttle body is a housing with a valve that regulates airflow into an engine’s intake manifold. The throttle body resembles the base of a carburetor, and some low-cost fuel-injection systems had ...

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