HARD start and rough after Head gasket change - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 07-28-2011, 03:21 PM Thread Starter
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HARD start and rough after Head gasket change

WHat I have and did:
03 6.0 with new APR studs, Stock Headgaskets, fresh 05 heads (old ones cracked), new oil cooler, rebuilt (update kitted) fuel pressure regulator, new oil stand pipes, fresh o-rings on HPOP, cleaned HPOP screen, updated oil feed line to turbo, cleaned the turbo out, intake was boiled out, the G.D. EGR was removed, 05 front cover w/ new water pump and low press oil pump gears, new Y pipe, Man that was alot of work in the garage..w/o a lift...

My truck took a long time to start after I got it back together, as I expected it would crank alot because of high pressure oil system draining. I got it to start but ran really rough (kinda expected that too). I let it run for a minute or so idling and it didn't really clean up. Started again after it set for 20-30 minutes and still kinda rough. Started again this morning after a 10-15 second crank and .. well rough running.

What should I do, let it idle for a while, run the piss out of it?? I am sure it still has air in the logs above the injectors.. I just dont want to ruin the injectors..

Any input is appreciated.
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post #2 of 3 Old 07-28-2011, 05:28 PM
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if you haven't run it hard yet you're going to have to do a few wot runs to get all of the air out of the rails

unless you think it's misfiring (bent pushrod) run the **** out of it

-Matt

Ford Senior Master Tech

2015 F-250 XLT 6.7L

2006 F-250 6.0L SOLD
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post #3 of 3 Old 07-28-2011, 08:20 PM Thread Starter
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Thanks will give that a shot, push rods shold be good to go..
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