Fuel injectors rarely get the same attention as turbochargers, superchargers, or cylinder heads, but they play a far more critical role than most enthusiasts realize. Every fuel-injected engine, ...

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 ...

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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Fuel injector cleaners can help increase your car's performance and fuel economy. It's the easiest way to clean ...

My Mercedes-Benz people put an “injector cleaner” in at each service, despite no recommendation in the service manual to do so. Is this a useful thing to do? The truth is no one can define the results ...