i can start the truck and it revs for a sec then shuts down. if i hold on the pedal when it starts up i can get it to stay running but soon as i let the rpm down it shuts off. Any ideas?

 

For starters , make sure the HPOP res is still full when it stalls ..

 

ill check that,when i can get it to run my holding the pedal down its not running right though

 

whats the fuel pressure?

 

hpop is full i cant check fuel pressure since im by my self and it wont idle but the pump is only couple months old, it seems electrical,i swaped out cps but didnt make a differance. i have newer injectors by jim but it ran fine after install its just been sitting for a couple weeks since last starting

 

my tach only goes up till 100 or so rpm's while cranking, is that right or does it sound like the cps? i tried 3 of them and all does the same ting strarts up then shuts right down

 

It doesn't seem like the CPS if three of them did the same thing.

 

1 of the cps was a newer one i got from advance auto a couple months ago and the 2 other ones i tried were ones i replaced before since i thought they were bad. Would the truck even start if the cps was bad?

 

A bad CPS can keep it from starting, but not necessarily. Is the new CPS a Motorcraft? Make sure to get one with the purple o-ring just to eliminate that as a possibility.

 

What about the fuel filter?

 

filter looks clean and is less then 500 miles on it, Ill get a cps from ford tomm.

 

I went to a stealership looking for one once, and they tried selling me one of the old original recalled CPS (black on black), but for the pre-recall price. Look out, don't let them sucker you. You can get a Motorcraft (dark gray/purple o-ring) for $19.30 plus shipping from RockAuto.

 

put a new ford cps in with no luck Any other ideas?

 

fuel pressure? Have you checked for codes at all?

 

its got fuel pressure when cranking like 20psi or so. after your done cranking should there still be pressure in the schrader valve when you push it in, Cause i dont have and fuel come out after i crank and get it to start for a sec then push the schrader valve in.