bad injector? - Ford Powerstroke Diesel Forum
 
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post #1 of 5 Old 06-03-2011, 10:10 PM Thread Starter
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bad injector?

so the symptoms of my truck are, it dont like to start, put a comp on it and it shows only 108 psi at the heads, i put a hydraulic gauge on hpop line goin to the passenger side head, and while cranking it shows 400 to 700 psi, and if it does start it runs amazing but i noticed at idle it smokes more than usual and it kinda looks like white smoke but not enough to really tell, oh ya i also removed a plug from the head and put my gauge on the port and it didnt even move while cranking with the hpop hooked up to both heads, gauge reads 0 to five thousand psi

2/03 f250 lariat 6.0 4door short bed 4x4 offroad pkg, stage 2 turbo, 4" turbo back exhaust, afe stage2 intake, sct with innovative tunes, isspro fuel pressure, pyro, trans temp, boost, firestone airbags, arp head studs and egr delete
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post #2 of 5 Old 06-03-2011, 11:08 PM
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sounds like an injector o-riing. Is the fuel in the fuel bowl black like it has oil in it? Even if it doesn't, I'd do o-rings.
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post #3 of 5 Old 06-05-2011, 07:32 PM Thread Starter
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nope fuel bowl is clean,

2/03 f250 lariat 6.0 4door short bed 4x4 offroad pkg, stage 2 turbo, 4" turbo back exhaust, afe stage2 intake, sct with innovative tunes, isspro fuel pressure, pyro, trans temp, boost, firestone airbags, arp head studs and egr delete
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post #4 of 5 Old 06-05-2011, 07:59 PM
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My advice is find a good scanner and run a buzz test/check for codes

Sounds more like a Glow Plug/relay problem because you say it has a hard time starting and runs well once started.

Does plugging it in help with the start issue?
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post #5 of 5 Old 06-06-2011, 04:23 PM Thread Starter
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buzz test good, and no codes, but the pump pushes 400 to 700 psi within 4 seconds or so and it takes the heads bout 10 or longer to build pressure, i put a hydraulic gauge on the heads and read it manually not on the comp,

2/03 f250 lariat 6.0 4door short bed 4x4 offroad pkg, stage 2 turbo, 4" turbo back exhaust, afe stage2 intake, sct with innovative tunes, isspro fuel pressure, pyro, trans temp, boost, firestone airbags, arp head studs and egr delete
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