Problems after head stud install - Ford Powerstroke Diesel Forum
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Old 09-05-2013, 06:54 PM
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Problems after head stud install

Just replaced hg and studs truck ran great before hg failure, when apart updated stc fitting and cleaned ipr valve reassembled and started now it runs rough and misses, ficm voltage is 48.7 when cranking. Checked fuel bowl for compression leaking into the fuel system no bubbles. Snap on motis won't link up to my pickup to test kinda stuck now as for ideas. Trucks an 06 with 124,000 miles studded with oem gaskets, powermax, innovative tunes and blue spring upgrade. Hot starts just runs like crap and is hazing out the tail pipe smells like fuel. Any help would be greatly appreciated.
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Old 09-05-2013, 09:00 PM
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Anyone????
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Old 09-06-2013, 09:44 AM
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did you send the heads to the machine shop? did you reuse the old injector o-rings? what did you torque the injector hold down clamps to? also if it runs, have you let in run for 20 minutes to let the air out of the hpo system.
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Old 09-06-2013, 02:18 PM
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Heads were machined no cracks, it's ran for an hour and yes it's all torqued to proper specs
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Old 09-06-2013, 02:20 PM
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New orings and copper washers from ford everything came from ford except studs
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Old 09-07-2013, 04:48 AM
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Make sure your FICM plugs are fully engaged
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Old 09-07-2013, 05:06 AM
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Sounds like from what ur saying possible over fueling hmmmm can u run a cycl under contribution test have all of your injectors been tested. I would also load the stock file PCM and try to run the truck.
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Old 09-07-2013, 05:08 AM
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As for the scanner not hooking up om out the obd2 connector see if there is a short or u could use a spring loaded test light to see if u can pull power from the connector
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Old 09-07-2013, 05:21 AM
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It's stock tuning, and I picked up a laptop obd2 scanner and it works with my truck. Going to say the snapon must have a problem. Ficm plugs are seated all the way I've triple checked all the connections I managed to pull a cylinder contribution code from #1 code was a p0263 guess I should probably start pullin it apart again...
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  #10  
Old 09-07-2013, 05:25 AM
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I almost wonder if number #1 injector just happened to go aswell those things happen
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