You’re most likely to find an inline-four- or six-cylinder engine under the hood of many of today’s Jeeps, and the multiport fuel-injected 2.5L and 4.0L are the most common of those still cruising the ...

They say once you taste steak, it’s hard to go back to just eating hamburger. Such is the case with electronic fuel injection versus basic carburetion. So, what if you have an older carbureted Jeep ...

What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine? Antuan Goodwin Senior Writer, Electrified Cars Antuan started out in the ...

Most modern vehicles have multi-port fuel injection (MFI) with a separate fuel injector for each cylinder. This system mixes the fuel and air together right in the intake port for eachengine cylinder ...

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

When the auto manufacturers first introduced their newfangled multiport fuel-injection systems, many hot rodders feared that the days of performance tuning and tweaking were gone. However, nothing was ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...