We may receive a commission on purchases made from links. The throttle body is a vital component of a fuel-injected internal combustion engine. It has a pivoting butterfly valve or throttle plate to ...

Everyone here is guilty of letting their throttle body go unloved for far too long. Heck, some car owners might never clean theirs. Throttle bodies are just one of those things that can live at the ...

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 ...