7 3 Fuel Pump Pressure

When you examine the functionality of the idi ip it seems kind of irrelevant if your lift or e pump is pushing 1 psi.

7 3 fuel pump pressure. Adding moderate to extreme performance products could drop the fuel. The truck seems to hickup and sometimes it hickups so bad that it sounds like it wants to die. The fuel system is designed to supply the injectors at 50 60 psi even a wide open throttle. Even when you install a performance chip for a mild upgrade the system starts having issues with supplying the proper pressure for atomization.

7 3 idi fuel pressure hey had a fuel problem for a while now going up hills or accelerating hard the truck is starved of fuel and the filter light comes on and stays on until i back off then goes out again everything from the pickup pipe in the tank right up to the ip is brand new including filer and housing i used an electric facet 4 5 to 7psi 34gph i m thinking this pump isn t quiet big. 0 to 160 psi fuel pressure gauge. If i m going to be completely honest i ve always been skeptical of the assertion that lift pump fuel pressure impacts the timing of the injector pump. Does lift pump fuel pressure affect timing on a 6 9 7 3 idi.

Go check out my new channel for more automotive repair videos. Fuel pump pressure top 10 7 3 diesel hard start no start diagnostic procedures follow dieseliq. Fuel pressure filter inlet 14 kpa 2 psi idle fuel pressure filter outlet 7 kpa 1 psi 3000 rpm as you can see it doesn t take much it simply needs to supply the high pressure injection pump and that supplies the 1800 2k psi pressure to pop the injectors open. Obs 7 3 rough idle low fuel pressure.

The fuel pump could have internal damage e g ruptured diaphragm seized plunger or leaking check valves. The 7 3 powerstroke fuel system was designed to handle the factory injection system. A loose fuel line on the suction side of the fuel system could cause air to be ingested into the system and cause low fuel pressure. Most mornings when i start it it seems to idle fine it s on the way home from work that i notice the problems.