If you browse forums often, chances are you've come across some heated discussions around the CP4 fuel pump. The CP4, short for "Common Rail Pump 4," is a high-pressure fuel injection pump that made ...

To save time and money, you might want to learn how to clean fuel injectors without needing to rely on professionals. But do ...

Land Cruisers have been prowling the earth for more than 40 years, with power provided by carbureted gasoline engines, or, outside the U.S., diesel engines. Until 1993 the F series engines were used ...

If you own an '81-'90 4.2L (258ci)-powered Jeep, there's something lurking behind your local Mopar dealer's parts counter that will interest you. It's called the Mopar Performance Jeep 4.2 Liter ...

This is not a shootout. It's not called a shootout, it wasn't conducted like a shootout, and there is no winner. What we've done is put four Chevy multipoint injection (MPI) manifolds through a dyno ...

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...