hello everyone , My truck has developed a new problem recently it starts fine cold and runs well but will not start hot . It just cranks and cranks when hot and will not start till it cools it will not even attempt to start when hot (no injector noise no smoke). and when it runs it runs perfect no smoke or anything, I have troubleshooted the cps works great even replaced it, also have tryed disconnecting the ICP when hot no change, and have also switched he idm with no change. i need to hook it up to a scanner again to watch pressures during the no start. Is there anything im missing to check? Is there anyway to pinpoint if its IPR orings or Injector orings? both are a pita(I have a stealt double pump) also it passed a injector buzz test. any impute on the subject would greatly be appreciated

---AutoMerged DoublePost---

forgot to put its a 02 7.3 with some mods stealth double pump,4in turbo back, garrett gtp38r BB turbo,and ts chip with a custom tune

 

UPDATE; so it is doing the hard start less i changed the ICP and the relay for the IDM it seems to be starting better sometimes have to hit the key twice but atleast starts so far anyhow. I did do a few tests got it to do the no start yesterday before ICP replacement ICP readings were only like 200ish PSI and the signal was at most .50v and when not cranking it had 0 PSI so i replaced the ICP for good measure cuz i dont have a mechanical gage to check. oil pressure is about 480-500ish psi signal is .83volts at idle with the truck off its holding 15 PSI IS that normal or should it have more? It is a weird isssue that is intermittent and is at random when hot. The other issue is its starting to get real crackly at idle in gear like a knock (injectors) why is this what causes injector knock could it be a bad fuel pump or FPR? or not likely or do you guys think its a oring problem on the injectors? IDK im so damn confused and frusterated

---AutoMerged DoublePost---

Oh #8 injector failed the contributon test but i here that is common? Its not missing on any cylinders

---AutoMerged DoublePost---

So got it to do the no start again. crank,crank crank, nothing still low oil pressure during the no start around 200PSI after alil bit i tapped on the IPR and then tryed to start it it poped and kept cranking and it fired that would make sense a sticking IPR valve? or am i going crazy?

 

Hot hard start was an issue... Running dual stealths? Have you contacted them? How old are your IPR's or are you running a single IPR?

 

I am running dual stealths with a single IPR it was in the truck when i bought it. I have not contacted stealth i dont think the pump has any problems it def makes enough pressure spikes out at 3600psi at WOT. I have not replaced the Ipr yet because i have to pull the pumps out and split them apart to remove the IPR. I will be doing it this weekend i just ordered a new IPR im hopeing it fixes the problem but it would make sense sometimes it runs smoother and stronger than other times i drive it and when i gave it a wack when it did a no start it fired rite up

---AutoMerged DoublePost---

and as for the age of the ipr im assuming its original with 82k

 

I would contact them and get the dual IPR kit. Seems to help with the hard start issues.