Some earlier systems use a regulator and a return line so the fuel circulates. The fuel pressure regulator on the newest models is located in the OEM fuel pump hat.

Next, check for a leaking fuel-pressure regulator. A leaking regulator (usually caused by a ruptured internal diaphragm) can allow raw fuel to be drawn through the vacuum line and into the intake.

Proper TPMS sensor maintenance is vital for improved safety, fuel efficiency, extended tire life, compliance with laws, and avoidance of repair costs. It's essential to regularly check tire pressure ...

Rather than keeping the fuel system stock, the guys at Classic Trucks decided to give the project 57' a fuel system upgrade with the help of the LMC Truck Fuel System.

How to install a Holley Sniper TBI fuel-injection system on a big-block Chevy engine, and the benefits that go along with using EFI.

5.Pressure Regulator-sensor.The regulator is normally fitted to the HPP and the sensor fitted to the rail.If either of these are faulty you will get hard starting 6.Cam/crank sensors.Check that they ...