Help...Melted injector???? - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 12-31-2007, 10:21 AM Thread Starter
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Help...Melted injector????

I think I melted an injector....I was driving about 60 on the road and I sarted to smell antifreeze. I pulled over and There was a loud knock in the motor and my exhaust was puffing out white and black smoke. Suprisingly no codes, my check engine light didn't turn on. My diesel tech said it's possibly a melted injector because of the check engine light not coming on. Please help with any info if possible. Thanks in advance guys. -TJ

2003 F-250 7.3
6 Spd, TS 6 pos, cold air
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post #2 of 5 Old 12-31-2007, 02:15 PM
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sounds like a bad injector to me.. do you know what side it was?? do you have or a friend have a diagnostic tool to run buzz test??

Early 99 7.3 F350 auto,TN T-4 mount with a s467 thanks to unlimited diesel..shimmed 910's, DI push rod's, new alliant 315/200 hybrids, full fuel with a fuel lab 4202,TSD sump...tuned by Gearhead..i cant wait to drop her in the truck...
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post #3 of 5 Old 01-01-2008, 10:11 AM Thread Starter
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Its on the drivers side and no I'm on vaction in boca grande,FL. but thats what I figured Thanks for your help man.

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post #4 of 5 Old 01-03-2008, 12:50 PM
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hehe..didnt know you wanted to fix it..you got to find the bad one first..when you do..
Loosen plug on back of head to drain fuel. Remove intercooler tube and valve cover. Unplug injector and remove oil deflector on top side 8mm bolt. Remove 8mm bolt on lower side. pry up on injector to remove. Oil will drain into cylinder. I use a vacuum evac sys to suction the oil out. You can stuff a rag in and absorb as much as possible. Crank engine with ratchet at least two revs and absorb as much as possible. Unplug UVC harness both sides and remove fuel pump fuse. Crank engine with starter to blow out the rest. Bump the starter slowly at first so you don't hydrolic a cylinder. Oil o-rings and install injector. Bump it with the palm of your hand to seat it. Tighten injector to 10 ft lbs. Remove oil drain plug in cylinder head. There are two in each head, under valve cover between injectors. Should be 1/8 in allen. Tighten fuel drain plug. Fill hpop with clean oil. crank engine till oil is pumped out this plug. Reasemble as removed. the engine will crank for a while untill the hpop builds pressure and will run rough for a while.

Hope this helps.

Early 99 7.3 F350 auto,TN T-4 mount with a s467 thanks to unlimited diesel..shimmed 910's, DI push rod's, new alliant 315/200 hybrids, full fuel with a fuel lab 4202,TSD sump...tuned by Gearhead..i cant wait to drop her in the truck...
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post #5 of 5 Old 01-03-2008, 02:59 PM Thread Starter
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thanks alot man.. I'll give it a try.

2003 F-250 7.3
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