2003 6.0 Crank No Start

[LAJR]

My truck stopped suddenly while driving down the highway. IPR readings were at around 77% while cranking so I suspected a sticking IPR. The truck still does not start after replacing the IPR. I replaced the ICP about a month ago.

I plan to tear into the HPOP tomorrow. Any ideas on what could be the problem?

Thanks in advance.

[Tuscany]

HPO leak....

[LAJR]

Originally Posted by Tuscany

HPO leak....

Thanks man, any detail on where this leak could be?

[southend]

The hpop, standpipes, injector orings, hpop oil hoses. What is your actual icp reading while cranking?

Sent from my phone that somebody didn't help me get.

[dhanna6powerstroke]

How many miles?

[LAJR]

Originally Posted by southend

The hpop, standpipes, injector orings, hpop oil hoses. What is your actual icp reading while cranking?

Sent from my phone that somebody didn't help me get.

I don't remember and I can't get a reading right now because I drained my batteries from long cranking. I'll get a reading once I charge the batteries.

[LAJR]

Originally Posted by dhanna6powerstroke

How many miles?

165,141 miles

[southend]

There is a hpo air test you can perform, and this test for the hpop.....DIAGNOSING A 6.0L HIGH PRESSURE PUMP!
There is a check ball that can pop out of the hpop also.

Sent from my phone that somebody didn't help me get.

[dhanna6powerstroke]

Could be a leak but if it's the original pump with that many miles, I'm gonna say the pump is junk.

[LAJR]

Originally Posted by southend

There is a hpo air test you can perform, and this test for the hpop.....DIAGNOSING A 6.0L HIGH PRESSURE PUMP! - Ford Powerstroke Diesel Forum
There is a check ball that can pop out of the hpop also.

Sent from my phone that somebody didn't help me get.

I'm going to perform the HPOP test tomorrow. If the check ball pops out will the entire pump need to be replaced? How is the HPO test performed?