HPO Leak?
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HPO Leak?
I've been chasing a hard starting (long Crank) problem for a while now. Had the FICM rebuilt by Ed along with the Atlas 40 tune. Starting did get better and the voltage stays dead on 49 all of the time. Last week I changed over to the winter oil I run. (CAT 0-40W synthetic). Ever since I changed the oil (Using ford filter and factory cap) The truck has been hard starting when it's warm. Thinking I have a High pressure oil leak that is bleeding down with the thinner oil once it is warmed up to operating temp. Starts withen 2 sec's when it's cold. Just took 4 cranks @ 10 secs each to get it going. Any suggestions?
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I found the addresses for ICP and ICPV. Do I take the readings at KOEO,Cranking, Low idle and high idle (2500 rpm) during a cold start? The only reading I could get during the no start would be during cranking. Or am I thinking about this wrong?
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I think I have the wrong address for ICP. At an idle it jumps all over the place. Readings like -6649, E489, other numbers starting with letters. The address I used is: 07E0221446 046205140646 3010 0C3900640000. Is this correct? Will look for the ICP% as well.
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Well... Here's what I have for readings. in this order; KOEO, Cranking, Low idle, High idle (2500)
cold start
ICP; 0, 309,587, 1446
ICPV; .221, .31, .83, 1.64
IPR%@ECT 190*; 14.4, 50.7, 22.1 36.3
After it sat for 20 mins I had; KOEO, Cranking
ICP; 0, 287
ICPV; .221, .381
IPR; 14.4, 77.6
Does the ICP of 287 mean that my HPO system bled down to 287 psi? Any help deciphering the numbers and tips would be greatly appreciated
cold start
ICP; 0, 309,587, 1446
ICPV; .221, .31, .83, 1.64
IPR%@ECT 190*; 14.4, 50.7, 22.1 36.3
After it sat for 20 mins I had; KOEO, Cranking
ICP; 0, 287
ICPV; .221, .381
IPR; 14.4, 77.6
Does the ICP of 287 mean that my HPO system bled down to 287 psi? Any help deciphering the numbers and tips would be greatly appreciated