How To Replace a Fuel Pump and Fuel Filter

The first step to being able to properly diagnose anything, is to actually be able to understand how the system works. You cannot diagnose things in a timely manner if you don't understand how the system is supposed to function properly in the first place. This is something I've always preach to the few younger mechanics that I've been around is if you don't understand, read. Read all of the theories of operation. I personally was that young mechanic when I was first starting out, and honestly I