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 ...

There are a couple methods aftermarket companies employ to achieve a higher air flow through the throttle body (TB). One way is to design an upgraded part that smoothes out or removes the restrictions ...

The floor mats in certain Grand Cherokees may trap the accelerator pedal, increasing the risk of an accident, Jeep has divulged. The issue was discovered after parent company FCA (Fiat Chrysler ...