99 F550 7.3 PROBLEMS - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 4 (permalink) Old 12-11-2011, 03:50 AM Thread Starter
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99 F550 7.3 PROBLEMS

I have a 1999 ford F550 power stroke and it will start on eather but dont like doing that as soon as it comes back to idle it shuts down and will not start again unless we use eather we just installed a new high presure pump and a new IPR valve my IPR is at 65% trying to start and my presure is only at 350 any one have any idea before I set it on fire I know it needs at least 500psi to start when it is runing my IPR is at 22% and presure at 700
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post #2 of 4 (permalink) Old 12-23-2011, 04:34 PM Thread Starter
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Re: 99 F550 7.3 PROBLEMS

To every one that read this and had no ideas I finley got tird of asking every one and getting no one that had any ideas so I tore into it my self and it is now fixed I ended up installing all the seals on all 8 injectors and that took care of the problem
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post #3 of 4 (permalink) Old 12-23-2011, 04:46 PM
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Re: 99 F550 7.3 PROBLEMS

glad you got it fixed, sometimes you just gotta dig in on your own, glad it worked out for you.


Moore, Oklahoma

1996 Ford F350 4x4 Crew Cab PSD
6637 tymar
285-75-16 BFG All Terrains/Weld Wheels
3:55 gears
Automatic with billet convertor, tugger and alto discs
New Gearhead Tunes:
1 heavy tow
2 stealth mode
3 tow/econ
4 street perf
5 all out
6 high idle
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post #4 of 4 (permalink) Old 12-23-2011, 04:50 PM
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Re: 99 F550 7.3 PROBLEMS

mine did the exact same thing, turned out to be blown headgaskets. glad you got yours running

99.5 F250, 4x4, Lariat, CC/SB, 4r100 Gauges, Intake, Exhaust, Lots of black/smoked parts
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