Join Date: Jan 2013
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Long starts,dies, HPOP level going down
Hoping for some help here Powerstrokers... My truck. 1999.5 F350 96,000 miles. New injector O rings (alliant),new ICP, glow plugs, Big relay (stancor), new water pump, turbo housing(cured surge), S and B intake. Always had long starts 4-5 secs, Hence the new O rings that I hoped would cure. Good fuel pressure, HPOP had excellent pressure (>2600psi) by hose and gauge I made up. In other words I have checked and checked. Oh ya, no gray or blue smoke. Yes I have put it on a computer, but did not have a print out to tell you numbers. If I remember it kept giving us a low ICP code???? But, it fired near 500.
Ok my new problem. parked the 5th wheel the other day and had to readjust. Truck started then died. Started right back up and ran fine. Kinda tried to blow it off, but then it did it again 3 days later. level ground. Oil psi gauge does not come up till it starts + a couple secs. Mind you its 70 degrees today. Everything seems to point towards LPOP, but my HPOP level is creeping down already today after 4hrs, its about 3/4" down. It was 3/8" initially. Ideas?? check valve in the HPOP? I know its low mileage for this, but I am out of ideas??
Thanks in advance.