still will not crank up i called idm people at computer exchange and they sending me a new idm does the idm control the fuel bowl filling up?becuase the fuel bowl is not filling up when u turn key that why we put a new fuel punmp on it and new crank censor checked all fuses all checked out it there any thing other than idm that controles the fuel bowl filling up or it not getting fuel it there another computer for a 1996 ford f350 other than idm?
Another vote for the possibility of the fuel lines being attached incorrectly. I've read here of some very good mechanics mixing up the return & supply lines, causing the same thing you describe.....
Your fuel pump on your truck is a 2-stage mechanical fuel pump. Fuel gets drawn up to the pump itself, under around 10 lbs. or so of suction. From the pump, it goes to the filter. Then the fuel goes right out of the filter, and right back to the second side, or stage, of the mechanical fuel pump. From there it goes through the banjo bolt, and to the injectors, under around 30-50 lbs. of pressure. Any unused fuel comes back to the regulator that hangs off the driver's side of the the fuel filter housing, and will eventually make it back to the tank.
I kinda doubt it's your Injector Driver Module. Your truck's computer (PCM=Powertrain Control Module) sends a signal to the IDM, & then it "forwards" that signal to the injectors. They have been known to go bad, but normally not just from changing the engine.....
But please keep us updated on how this goes for ya....
Jimmie
Your fuel pump on your truck is a 2-stage mechanical fuel pump. Fuel gets drawn up to the pump itself, under around 10 lbs. or so of suction. From the pump, it goes to the filter. Then the fuel goes right out of the filter, and right back to the second side, or stage, of the mechanical fuel pump. From there it goes through the banjo bolt, and to the injectors, under around 30-50 lbs. of pressure. Any unused fuel comes back to the regulator that hangs off the driver's side of the the fuel filter housing, and will eventually make it back to the tank.
I kinda doubt it's your Injector Driver Module. Your truck's computer (PCM=Powertrain Control Module) sends a signal to the IDM, & then it "forwards" that signal to the injectors. They have been known to go bad, but normally not just from changing the engine.....
But please keep us updated on how this goes for ya....
Jimmie
