Fuel system cleaners are cheap and plentiful at automotive stores, but do they actually do all the things that they claim? We took a look to find out.

There are many things that can degrade your vehicle's performance over time, from a dirty air filter and low tire pressure, to fouled spark plugs and worn out plug wires. However, nothing will rob ...

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When electronic fuel injection first appeared on performance cars, it represented a major shift in the comfort zone of many hot rodders. Turning screws, replacing jets, and setting float levels were ...

It's safe to say that performance enthusiasts have embraced electronic fuel injection. That's not to say that carburetors can't do the job, but Detroit hasn't rolled a new car off the production ...

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 carbureted car and truck era phased out by the early '90s. Carbs are still in use today on a few motorcycles, lawn mowers, and other power equipment, but electronic fuel injection (EFI) is ...

The injector is electronically controlled. It is provided pressurized fuel by the car’s fuel pump and has a high micron filter at the top and small holes at the bottom. The filter ensures that any ...

Fuel delivery depends on more than what happens at the injector. For fleet, maintenance and technical professionals, looking at the full path from pump to injector can provide useful context ...

Diesel injectors fail because of two main reasons. The first has to do with the mechanical soundness of the injector structure, and the second has to do with the quality of the fuel running through ...

A previously submerged Toyota Tundra developed an aggressive highway ping alongside an intermittent no-start condition after ...