While the oil, air filter, and tires are all given the magic touch, the throttle body remains untouched for thousands and thousands of miles. It’s a simple butterfly valve. It should be fine. Right?

A dirty throttle body can cause rough idling, poor fuel economy, and sluggish acceleration — but cleaning it is a quick, affordable DIY fix. With basic tools, the right cleaner, and safety gear, you ...

The inside of your engine is a dirty place. These products can help. While modern cars and trucks run better than ever before, and with less maintenance than ever before, thanks to computers, sensors, ...

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 ...

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 ...

While the LS3 would provide all the power needed for chasing parts, the one area it fell short in was appearance. What Randy wanted was high-tech performance with a vintage look and he found it with ...

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 ...

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 ...

How does a throttle body work? What is a throttle body? A throttle body is a butterfly valve located between the air intake filter and the intake manifold. It regulates how much air can go into the ...

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 ...