7 3 Fuel Pump Pressure

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.

7 3 fuel pump pressure. Go check out my new channel for more automotive repair videos. Transfer pump pressure is taken at 3300 rpm and should be 90 110 psi for 6 9. 0 to 160 psi fuel pressure gauge. Fuel pump pressure top 10 7 3 diesel hard start no start diagnostic procedures follow dieseliq.

Does lift pump fuel pressure affect timing on a 6 9 7 3 idi. If the engine won t start all other checks are normal and there is no air inside the injection pump chances are the transfer pump is not producing enough pressure to start the engine. 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. Obs 7 3 rough idle low fuel pressure.

Fuel pressure is extremely. The truck seems to hickup and sometimes it hickups so bad that it sounds like it wants to die. When you examine the functionality of the idi ip it seems kind of irrelevant if your lift or e pump is pushing 1 psi. 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.

90 120 psi for 7 3. Hi y all i have a 96 f350 7 3 powerstroke with a mechanical lift pump. Most mornings when i start it it seems to idle fine it s on the way home from work that i notice the problems.