Injector O-Ring Question - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 03-15-2007, 06:05 AM Thread Starter
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Injector O-Ring Question

Whats a good symptom that my injector O-Rings may be shot, as far as i know they are original. Reason i am asking is cuz when i let my truck sit overnight i will get a blue haze of smoke when i start up and when i accelerate real fast when it is warmed up i get kind of a miss. Seems like it only misses when i really get on it, Let off the pedal a little bit and it will stop.

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1996 Ford F350 Regular Cab 5spd with the 7.3L PSD, 4x4, 35.5x12.5x16.5 All-Terrain T/A's, 3.73s', DIY Electric Reg Return Fuel Sys, 3" Downpipe, AFE Stg 2, 17* HPOP, IDM Mod, SB Con-O, Cat and Muffler Delete, AutoMeter NV Series Boost, Fuel Press. and Pyro, Autometer 3 Pod A-Pillar, TS Performance 6 Pos Chip. HPX Mod, 335,000 Miles
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post #2 of 4 Old 03-15-2007, 12:44 PM
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Originally Posted by squeeks View Post
Whats a good symptom that my injector O-Rings may be shot, as far as i know they are original. Reason i am asking is cuz when i let my truck sit overnight i will get a blue haze of smoke when i start up and when i accelerate real fast when it is warmed up i get kind of a miss. Seems like it only misses when i really get on it, Let off the pedal a little bit and it will stop.

Thanks
To my knowledge blue on the am start is normal on the obs PSD. I found mine doing this on the am start then after it was gone. It seems take/leak oil. I pulled my fuel filter out figuring the fuel would be darkish or dingy in color indicating o ring leaks. To my surprise the fuel was perfectly clear. There is something wrong making it miss. Does it do this from dead start tromping it or from a roll and tromping it? in stock setting? Sure its not clutch slipping. Does the oil pressure drop at all when it miss' ?

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post #3 of 4 Old 03-15-2007, 05:24 PM Thread Starter
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It does it in Stock setting, seems to start "chugging" earlier in the other setting though, and its not only when im driving it will also do it when i am sitting in my driveway in neutral and i tromp on it. It will rev up to about 1900 ok but then it will start "chugging", do that for a while and then clear itself out


1996 Ford F350 Regular Cab 5spd with the 7.3L PSD, 4x4, 35.5x12.5x16.5 All-Terrain T/A's, 3.73s', DIY Electric Reg Return Fuel Sys, 3" Downpipe, AFE Stg 2, 17* HPOP, IDM Mod, SB Con-O, Cat and Muffler Delete, AutoMeter NV Series Boost, Fuel Press. and Pyro, Autometer 3 Pod A-Pillar, TS Performance 6 Pos Chip. HPX Mod, 335,000 Miles
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post #4 of 4 Old 03-16-2007, 06:13 PM Thread Starter
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Anybody else have any suggestions???


1996 Ford F350 Regular Cab 5spd with the 7.3L PSD, 4x4, 35.5x12.5x16.5 All-Terrain T/A's, 3.73s', DIY Electric Reg Return Fuel Sys, 3" Downpipe, AFE Stg 2, 17* HPOP, IDM Mod, SB Con-O, Cat and Muffler Delete, AutoMeter NV Series Boost, Fuel Press. and Pyro, Autometer 3 Pod A-Pillar, TS Performance 6 Pos Chip. HPX Mod, 335,000 Miles
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