Early '04 6.0 Not Starting
Key on turning over 0ICP. 77.6 IPR. .18ICV
Anything else?
And thanks for the help
Pull IPR and check the screen replace if pushed,torn,plugged
Did you keep the job Clean and I mean spotless
Thanks for the info
Ford Trucks for Ford Truck Enthusiasts
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If It was Me Id get a new IPR I saw one once on here that had no damage kinda dirty screen and it was BAD
the 2003 is a PIA to air test I know there is a special fitting you need to get to do it I keep meaning to write it down and Havent so Im not much help there
Id look in the tech folder under a No Start condition Im shure Bismic has the correct fitting Noted in there He is VERY thuro in his writeups
Hang on I will try and find it
Looks like your making some progress anyway
<TABLE style="WIDTH: 686pt; BORDER-COLLAPSE: collapse" border=0 cellSpacing=0 cellPadding=0 width=915><COLGROUP><COL style="WIDTH: 686pt; mso-width-source: userset; mso-width-alt: 33462" width=915><TBODY><TR style="HEIGHT: 89.25pt" height=119><TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 1pt solid; BACKGROUND-COLOR: #ffcc00; WIDTH: 686pt; HEIGHT: 89.25pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 1pt solid" class=xl66 height=119 width=915 align=left>How willing are you to remove the FICM, turbo, intake manifold, and the EGR cooler to get to the HPOP cover and HPOP itself for troubleshooting? Otherwise:
One way to diagnose for an HPOP leak without a teardown: Remove the ICP sensor --- use this hole to pressurize the HPO system with 100 psig air (05-07 the ICP is on the passenger side valve cover). You should use an M12x1.5 to a #4JIC fitting . You also need to have a way to send 12V power to the IPR, but only for 30 seconds or it will burn out. ALSO - be sure to remove the oil fill tube cap before applying shop air. This will prevent the possibility of overpressuring the crankcase.</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 1pt solid; BACKGROUND-COLOR: #ffcc00; WIDTH: 686pt; HEIGHT: 12.75pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 1pt solid" class=xl66 height=17 width=915></TD></TR><TR style="HEIGHT: 102pt" height=136><TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 1pt solid; BACKGROUND-COLOR: #ffcc00; WIDTH: 686pt; HEIGHT: 102pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 1pt solid" class=xl66 height=136 width=915 align=left>You should be able to remove the IPR harness without removing the turbo.
Remove the coolant reservoir and take the FICM and bracket off and remove the last intake bolt (and possibly the last valve cover bolt on the top edge) so you can get your hand back and unplug the IPR. Be VERY careful w/ the FICM connectors!
To command the valve - you can use an old ipr connector from an old harness wired to a cig. lighter plug and only keep it plugged in for 120 seconds (30 seconds is more desireable) not to damage the ipr. Try asking a tech at your local ford dealer, maybe one will be nice enough to snip one off a harness thats laying around. Red wire switched power Pin A B+; Yellow /red switched ground Pin B-.</TD></TR><TR style="HEIGHT: 12.75pt" height=17><TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 1pt solid; BACKGROUND-COLOR: #ffcc00; WIDTH: 686pt; HEIGHT: 12.75pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 1pt solid" class=xl66 height=17 width=915></TD></TR><TR style="HEIGHT: 129.2pt; mso-height-source: userset" height=172><TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 1pt solid; BACKGROUND-COLOR: #ffcc00; WIDTH: 686pt; HEIGHT: 129.2pt; BORDER-TOP: windowtext; BORDER-RIGHT: windowtext 1pt solid" class=xl66 height=172 width=915 align=left>Remove the oil fill cap, remove the CCV hose that goes into the air intake from the other valve cover, take a piece of heater hose and listen in BOTH spots after applying shop air to the ICP fitting. It will take a minute to push the oil out of the oil rail before you are able to hear the air flow (note the air will flow because the IPR valve is still open). As soon as you hear the air flow, command the IPR valve to close (ONLY for 30 seconds). If you hear air coming from either one of the spots you are listening to, then it's probably a leak in one of the oil rails. If you hear air coming from BOTH sides it's probably the HPOP or STC fitting. Note - when the IPR is commanded closed, you should here a slight "POP" sound.
Also:
If IPR is at 80% while at hot idle, then you have high pressure oil leak, failed pump or a bad ipr valve.
IPR should be around 22-24% at hot idle; up to maybe 30% but that maybe a little too high.</TD></TR></TBODY></TABLE>
<TABLE style="WIDTH: 686pt; BORDER-COLLAPSE: collapse" border=0 cellSpacing=0 cellPadding=0 width=915><COLGROUP><COL style="WIDTH: 686pt; mso-width-source: userset; mso-width-alt: 33462" width=915><TBODY><TR style="HEIGHT: 51pt" height=68><TD style="BORDER-BOTTOM: windowtext 0.5pt solid; BORDER-LEFT: windowtext 1pt solid; BACKGROUND-COLOR: #ffcc00; WIDTH: 686pt; HEIGHT: 51pt; BORDER-TOP: windowtext 0.5pt solid; BORDER-RIGHT: windowtext 1pt solid" class=xl66 height=68 width=915 align=left>There is a hole that is situated just above the HPOP drive gear. If air is heard/felt exiting this hole when air testing, this is normal if IPR duty cycle is not commanded to 100% because that is the exhaust passage. The way to condemn a high pressure oil pump is to air test it with the turbo oil supply tube removed from the top of the oil cooler base. If air is heard/felt from this port during air testing, the high pressure oil pump is bad. </TD></TR></TBODY></TABLE>
To correctly measure the HPO pressure you DO have to close the IPR valve though. Applying 12V power to it will close it (but only apply 12V power for 30 seconds to 1.5 minutes - much longer than that will burn out the IPR electronics).
I can give you more on where to apply the power (which wires and how-to) if you are interested.








