Your average new car has a throttle body and an intake manifold. The engine sucks in air through the air filter before it passes through the open throttle body and into the manifold. From there, it ...

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 ...

The controversy between carburetors and EFI has always been about complexity and price. Carburetors are simple—EFI is not. Carburetors are cheap—or at least cheaper than EFI. Those points have not ...

The Jeep 4.0L engine found in TJs, XJs, ZJs, and WJs is a trusty powerplant, and the '91-and-newer high-output versions make respectable power for a long time if well cared for. We recently ran across ...

How much power is a throttle body, MAF, or air intake upgrade worth? Not surprisingly, the power gains offered by the flow restriction inherent in the stock inlet system depend on the modified power ...

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 ...

GM has issued a Special Coverage notification for certain 2021 Chevy Colorado pickup units describing a coverage extension related to a throttle body issue in trucks motivated by the Duramax ...

I have been experiencing delayed acceleration in my car, and it sometimes jerks while idling. A mechanic cleaned a part called the throttle body and said it was dirty. Since I have owned the car for ...