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take the fuel filter out, if the fuel is black, then your injector o rings are leaking 100% positive, especially if they have never been replaced before, the ultra low sulfur diesels seems to eat the original ones away. Only replace them with the updated OEM ford or international o rings. deals can be found on ebay.
All you need is a pry bar to get the injectors out, its relatively easy. before you take the injectors out, purge the high pressure oil rail by removing 2 of the plugs under the valve cover and shooting air into it. Also before after you get the injectors back in, remove the glow plugs and crank the motor for a few seconds to force and accumulated oil or fuel out through the hole so you dont hydro lock the engine.
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2016 F450 6.7L XLT 4x4Dump, bone stock
1994 F250 7.3L XLT 4x4 ZF5 , Centurion, 4" Lift, 6637, Gulf Coast Bypass Filter, Big fuel tanks, dana 60 swap, No longer dually
1997 F350 7.3L XLT 4x4Dump, E4OD, 4 in exhaust, TS 6 position, 3/8 Trans line+external filter
2013 Scag Turf Tiger 61" 1.1L Caterpillar Diesel
1960 John Deere 440 Backhoe 2-53 detroit
Last edited by ryandamo; 12-25-2010 at 07:43 AM.