Dropped #6&7 injectors Twice! - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 10-14-2008, 09:24 PM Thread Starter
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Dropped #6&7 injectors Twice!

I'm new to the board so sorry if i mess this first post up.
Anyway I completely dropped #4 injector about 6 months ago and sent all 8 injectors to a shop to be rebuilt (against all local diesel mechanics recommendations) they were suppose to install new barrels, plungers, tips and o-rings. I installed the 8 reman injectors ran a tank of fuel through it and it ran like poo, white smoke and way rich smelling from start and never cleared up. buzzed injectors 6 & 7 were bad. pulled them the tips were covered with burnt deposits. Installed 2 more remans from same place fired it up and still had miss not nearly as bad though. drove about 50 miles buzzed injectors and 6 wasn't quite as strong as rest but 7 sounded fine.
Ran about 3 tanks through it like that, it progressively got worse, until it quit on me last week. scaned and buzzed it 6 and 7 bad again and i think i got a 1209 code and 1211 code fuel system/oil pressure codes. and cam sensor. but got same codes before when it droped #4 and the cam sensor was fine and i tried a different cam senor and no luck.

this is a 2000 Van w/160,xxx miles, no mods, frequent oil changes, new fuel filter every 15,000, fresh air filters as needed 1 owner. Vans suck to wrench on about 4-6 hour job pulling and replacing both valve covers with an assistant.
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post #2 of 7 Old 10-14-2008, 10:01 PM
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Have you done cylinder contribution test. Have you ohm tested the harness to make sure it is good. Harness is a lot cheaper then injectors.


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post #3 of 7 Old 10-15-2008, 04:51 AM Thread Starter
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I already had all 8 injectors rebuilt and they have warranty. I can't do contrabution test, it won't run. won't even smoke while cranking.
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post #4 of 7 Old 10-15-2008, 06:10 AM
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could be ICP or weak HPOP causing problems or maybe fuel pump. You have got to have good presures going to the injectors to keep them happy.

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post #5 of 7 Old 10-15-2008, 07:36 AM
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yea sounds like weak hpop is making problems for your injectors.i would test for psi.

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post #6 of 7 Old 10-15-2008, 10:07 AM Thread Starter
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pretty familar with the mechanics of what goes on with engines but not familar with the terms. what is ICP and HPOP?
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post #7 of 7 Old 10-19-2008, 03:49 PM
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ICP is the sensor on the Drivers side head towards the front. Pull the plug and check for oil in the connection, should be dry. HPOP = High Pressure Oil Pump.

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