Over time and miles, your car might start to slow down. It might not accelerate as quickly as it once did; the engine may not run as smoothly as you remember, or the fuel economy may dip—but ...

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 ...