6.0 no start - Ford Powerstroke Diesel Forum

 
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post #1 of 8 Old 02-04-2013, 04:05 PM Thread Starter
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6.0 no start

I have an 05 6.0 Powerstroke. I recently took a snowmobiling trip to the UP in Michigan. The truck ran great the whole trip. Started fine even when it was 9 below zero. It wasn't until I got home and went to back the trailer in the driveway that I had problems. When going from drive to reverse, the truck died and would not restart. I immediately thought it was the cam sensor. I have replaced it 4 times and always keep an extra one in the glove box for just this occasion. It only took me a few minutes to replace it, I have become quite good at if after doing it so many times, but after being replaced the truck still would not start. I have a 58 Volt FICM from bulletproof diesel, and its reading right at 58 volts, so i know thats not my problem. My ICP climbs well above 1000 psi when cranking too. Could I have a high pressure oil leak? My oil pressure gauge will not move until the truck is running. The truck will start after it has been sitting for a while. Anyone know what my problem is?!
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post #2 of 8 Old 02-04-2013, 05:25 PM
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"The truck will start after it has been sitting for a while."

Very typical of an O-ring on the high pressure oil rail. Oil cools off, gets thicker, additional pressure is enough to fire the injectors. Hot no start=hot oil is thinner, bleeds out the leak too fast. Get it fixed quick, it WILL get worse and develop into an absolutely 'no start' condition.
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post #3 of 8 Old 02-04-2013, 06:29 PM
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it may take 10-15 seconds of cranking for the oil pressure gauge to rise but it always should, even on a no start.


previously what was leading you to replace the cam sensor on so many occassions?

-Matt

Ford Senior Master Tech

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post #4 of 8 Old 02-05-2013, 05:33 AM Thread Starter
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In the past I was replacing the cam sensor when it would throw a code saying it was the cam sensor. I also wouldn't get any movement from my tach when cranking. If it is a high pressure oil leak, how do I go about locating it? I replaced the oil tubes that plug into the oil rails with the new updated ones from ford when I replaced the injectors last year. My ICP is still above 1000 psi when cranking. I know I need at least 500 psi to fire the injectors. It's started just fine and ran perfect on the way to work this morning. I just hope she starts when I go home tomorrow
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post #5 of 8 Old 02-05-2013, 05:37 AM
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have you done dummy plugs stand pipes and stc fitting yet?


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post #6 of 8 Old 02-05-2013, 07:01 AM
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Quote:
Originally Posted by williams57ii View Post
In the past I was replacing the cam sensor when it would throw a code saying it was the cam sensor. I also wouldn't get any movement from my tach when cranking. If it is a high pressure oil leak, how do I go about locating it? I replaced the oil tubes that plug into the oil rails with the new updated ones from ford when I replaced the injectors last year. My ICP is still above 1000 psi when cranking. I know I need at least 500 psi to fire the injectors. It's started just fine and ran perfect on the way to work this morning. I just hope she starts when I go home tomorrow
On the top of your HPOP is a fitting. Apply shop air pressure to it (With valve covers removed) and listen to where the leak is. Could be the stc fitting or the upgraded connection, the pipes that go from that fitting into the block, the standpipes or dummy plugs, etc, etc. Without doing a pressure check upon re-assembly of the rail, or installing a hpop, you're just crossing your fingers and hoping everything is sealed.
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post #7 of 8 Old 02-05-2013, 12:52 PM Thread Starter
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I replaced the dummy plugs when I did the injectors last year. I guess I will have tear it apart this weekend and check it out. How big of a job and how expensive is the STC fitting? Is there an upgraded aftermarket one out? Or am I okay with getting one through ford?
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post #8 of 8 Old 02-05-2013, 02:15 PM
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There's an upgraded factory part to replace the stc fitting. Basically, pull the turbo, pedestal, intake and remove hpop cover. Remove a couple bolts and lift it out onto your bench. Kit comes with pieces to line up the new fitting, as well as all gaskets and such. Pretty easy to do. Very likely that is where your leak will be.
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