96 powerstroke running rough.Help please! - Ford Powerstroke Diesel Forum
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post #1 of 59 Old 10-25-2011, 05:57 AM Thread Starter
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96 powerstroke running rough.Help please!

hey guys i need some help. i got a 96 f250 manual trannie with 276000 miles. it has been running a little rough, and has lost power.when it starts it smokes pretty good for a few minutes. when warm at idle its got a rough idle. and on the highway it just doesnt feel smooth anymore. without a load on it it still pulls hills pretty good but put just a small load on it and it lays down.i know i need to put a turbo on and that is on order but i dont think it has to do with the rough idle and smoke. everything is stock as in there is no performance upgrades,stock turbo stock size injectors. so if i could get some advice on where to start i would be thankful.
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post #2 of 59 Old 10-25-2011, 08:41 AM
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Blue smoke or black smoke or white smoke?


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I do support powerstroke power

1997 250 7.3L D66 Rosewood stage II t500 HPOP crx racing intercooled Mrbp 3'' down pipe 3.5 straight diy intake (chip is at the head doctor at bdp getting tunes)




1972 250 6.4L(390 FE.(gasser)


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2007 250 6.0L (325 hp stock )
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post #3 of 59 Old 10-25-2011, 08:48 AM
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Check UVCH connectors. Near pass and driver side intake man. If there burnt or crisp you have a problem.

-06 F250 SCSB 6.0 191k
TSD Super Panty Dropper
190/100s
Gt4294 Turbo
5" Exhaust
Airaid intake
Studded and Deleted.
50" Led Light Bar
4" lift 37x14s

-04 Crown Vic P71 interceptor 160k


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post #4 of 59 Old 10-25-2011, 11:48 AM Thread Starter
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It is white smoke, and also are talking about the valve cover gaskets, they are new,with new pigtail connnectors.
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post #5 of 59 Old 10-25-2011, 11:59 AM
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yes valve covers. There new, oh ok. scratch that off the list.
How many miles are on the truck?

-06 F250 SCSB 6.0 191k
TSD Super Panty Dropper
190/100s
Gt4294 Turbo
5" Exhaust
Airaid intake
Studded and Deleted.
50" Led Light Bar
4" lift 37x14s

-04 Crown Vic P71 interceptor 160k


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post #6 of 59 Old 10-25-2011, 12:02 PM Thread Starter
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276000, and everything is stock
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post #7 of 59 Old 10-25-2011, 12:11 PM
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When was the last oil change? Sometimes I have seen them smooth out with an oil change.


Sent from my Autoguide iPod touch app

I do support powerstroke power

1997 250 7.3L D66 Rosewood stage II t500 HPOP crx racing intercooled Mrbp 3'' down pipe 3.5 straight diy intake (chip is at the head doctor at bdp getting tunes)




1972 250 6.4L(390 FE.(gasser)


My Dads
2007 250 6.0L (325 hp stock )
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post #8 of 59 Old 10-25-2011, 12:11 PM
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Any blow by?

-06 F250 SCSB 6.0 191k
TSD Super Panty Dropper
190/100s
Gt4294 Turbo
5" Exhaust
Airaid intake
Studded and Deleted.
50" Led Light Bar
4" lift 37x14s

-04 Crown Vic P71 interceptor 160k


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post #9 of 59 Old 10-25-2011, 12:19 PM Thread Starter
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Last oil change was less than 200 miles ago. And how do I test or check for blow by?
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post #10 of 59 Old 10-25-2011, 12:31 PM
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Take your oil filler cap off, flip it over and set it on top of the hole. Does blow by coming out of the valve cover knock it off or just move from engine vibration?
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