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 ...

Electronic fuel injection is older than you think, the earliest example being the failed Bendix Electrojector system from 1957. Bosch bought the rights to the Eletrojector system and developed it into ...

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 ...

Don't get us wrong. There's absolutely nothing wrong with a carburetor. These largely mechanical devices have delivered precise amounts of air and fuel into engines from the very first internal ...