hard start or no start

[Buck]

i have a 2003 dodge cummins with 190000 miles on it checked the injectors i have changed the fuel filter the lift pump and inline filter and i still either starts hard or wont start. it will start with very little either and stays running what else should i check . thanks

 

[commin-rail03]

Might of knocked out your CP3 if your lift pump was going bad an dident know it?

 

[ForceFed]

How did you check your inj.?

 

[CPSimpson]

Sounds like ball seat erosion on injectors to me

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[RDPsmoker]

Going to to with injectors also.

 

[Buck]

ok well everyone is telling me injectors. but i forgot to mention that if i take the fuel filter out and dunk it back in it will fire on its own and will continue to fire on its own unless it sits for about an hour then i either have to dunk the filter again or spray it with either

 

[CPSimpson]

High pressure return on back of head

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[Buck]

i ordered the high pressure return bolt but what they sent me didn't match what was in their i might have order the wrong part. but it fit and nothing leaks and seams to start. if i don't put the pressure return back in what will happen