The throttle position sensor monitors how far open the throttle valve (or blade) is open, which is determined by how far down the accelerator pedal has been pushed. The throttle position controls the ...

There are lots of methods to creating more power in 4.0L Jeep engines. Some are easy bolt-on upgrades, while others require extensive modifications and engine ...

THERE isn't a lot of history on the Jeep fitted with LPG, so you need to tread carefully. One reputable installer told me he won't touch the Jeep because of problems he had fitting an air valve system ...