7 3 Fuel Pump Pressure
The fuel pump could have internal damage e g ruptured diaphragm seized plunger or leaking check valves.
7 3 fuel pump pressure. I m trying to diagnose an intermittent rough idle. 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. Does lift pump fuel pressure affect timing on a 6 9 7 3 idi. 0 to 160 psi fuel pressure gauge.
The fuel system is designed to supply the injectors at 50 60 psi even a wide open throttle. 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. Hi y all i have a 96 f350 7 3 powerstroke with a mechanical lift pump.
The 7 3 powerstroke fuel system was designed to handle the factory injection system. 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. 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. When you examine the functionality of the idi ip it seems kind of irrelevant if your lift or e pump is pushing 1 psi.
Obs 7 3 rough idle low fuel pressure. Go check out my new channel for more automotive repair videos. Fuel pressure is extremely. Adding moderate to extreme performance products could drop the fuel.