This overview illustration will help you place many of the different sensors used in a multipoint fuel-injection (MPFI) engine such as a 5.0L Ford or GM tuned-port-injection (TPI) 305 or 350. One ...

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 ...

It wouldn’t be odd to walk into the garage on a race weekend and see Roush under the hood, fiddling with a carburetor. But with the advent of electronic fuel injection in the Sprint Cup Series this ...

We all know that maintaining a vehicle is one of the most valuable things you can spend on to avoid long stints at the shop. Still, there are common shortcuts that almost all gearheads take to ...

In reality, the automakers have one major factor to thank for EFI: smog. That's because without the strict emissions rules placed on the manufacturers back in the '70s and '80s there would never have ...

If you paid attention to nothing more than what type of vehicles the OEMs are building today, then you'd think there wasn't any other way to fuel your car besides electronic fuel injection (EFI). The ...