my brother was driving my f150 in the yard it has a fuel injected 460 in it... he said it was like the truck ran out of gas (shaking and sputtering) he filled the tank with 20 more liters or so and it did not start back up but i guess they used either on it and said it fired up i have not checked this myself because i have been out of town working i just got back .. i so far have checked that it is priming and there is fuel in the fuel rail now i guess my questions would be what should i check next what should be the fuel pressure be at the little valve and has anyone had this happen to them? it does have a new fuel filter

sorry for the long post and thanx for any help!

 

Not running with pin #6 of the EEC self-test connector grounded and the key on 45 PSI.

 

thank you ! this truck is a 1987 the pump in the frame is a high pressure pump then? im guessing because its not starting on either tank so im guessing this could be whats wrong maybe its just to weak? i know its turning on again any help is greatly appreciated

 

If it has spark and fuel pressure in the rail I would check next to see if the injectors are firing. Unplug one of them and plug in a noid light and crank it and see if the noid light flashes.

 

a noid light? can i use a simple wire tester to do this test?

 

I do not know what you mean by "a simple wire tester".
If you have a neon test light you could hook it between the two wires of one of the unplugged injectors plugs. That would be about the same as a noid light.
Some auto part stores like O'Reilly will rent a noid light set.

 

haha sorry i did mean the test light that you ground then touch it to whatever and the light goes on haha and i looked it up and i will go check the injector wires later today thank you

 

Do you have spark?

 

yes thats the first thing i checked

 

This is an 87 w the carb right? Just pull the fuel line off the carb and see if you are getting fuel. My guess would be the return filter at the carb is returning too much fuel OR your fuel pump relay is bad. You only need 5-8 psi to make the truck run

 

its a fuel injected 460 it was swapped in im not sure if the motor before had a carb and i have checked the fuel rail and fuel comes out but not at the 35-40 psi that i was told it should be but i dont have a gauge yet

 

O an abortion truck. Good luck

 

i used a wire tester to check my injector wires and as im turning it over it does not light it up what do i check from here? is there a fuse or relay or?

 

Dose the EEC power relay click when the key is turned on?
In other words do you have power to ground with test light from one of the red wires going to the injector plugs with the key on?

 

I guess my injectors are working I took a spare injector and it is poping so I have spark and I have power to the injectors. When I turn the truck on I can hear the relays click and I have fuel in the fuel rail I am lost now could this be a bad computer problem or somehow my timing is now off? What way would I turn the distributor if I wanted to advance it a hair?

and far as it being a abortion truck I don't think it is everything in is where Its supposed to be and there is no hack job wiring and everything worked perfect I thought that 87 and up where all fuel injected ?