He bought it, now some questions,

[dyoung14]

Today my step dad went and bought the 1994 f-350 7.3PSD 5speed 2wd dually with a flatbed, he payed a whopping 700 dollars and i drove it home and he drove my idi home, but i can honestly say my idi would kill this thing taking off and pulling when we got to the mountain i put it to the floor and was holding 65 and here come my step dad around me in my idi and covered me in smoke and stayed about 3 truck lengths in front of me he was doing a little over 70 i was doing 60 i kinda figured a psd would have more power than an idi Only mod to the psd is a straight pipe from the downpipe back,

Well the psd ran flawless the hole way home till i stopped at a stop sighn when i took off i tryed to get on it a little and it cut out at around 2500 rpm and started missing so i shifted to 3rd and nailed it and the turbo spooled and it ran like a bat outta hell till i got home i parked it shut it off and went in the house, came out later and decided i wanted to hear the turbo scream threw the straight pipe i tryed revving it and now it wont rev past 2500 and blows blue smoke and misses, and at idle it does a slight haze, any suggestions???

Oh and it has 232,000 miles on it

 

[Goofyexponent]

Hpop full?

 

[dyoung14]

Hpop full?

How do i check? PSD is a new animal to me

 

[OLDBULL8]

With the engine OFF, take the little plug out on top of the HPOP, should be about a 1/2" to 1" from the top. Takes a torx bit, I think a #20.


Make sure the oil is up on the stick, 2-3 Qts. low is too much. Hot engine, should be at the full mark. Cold engine leave 1 Qt low.

 

[Goofyexponent]

How do i check? PSD is a new animal to me

I have never seen one of them up close before. I just do some poking around this forum lol. Hopefully it's not something big, but for $700 you can't go wrong!

 

[dyoung14]

HPOP is full

 

[dyoung14]

With the engine OFF, take the little plug out on top of the HPOP, should be about a 1/2" to 1" from the top. Takes a torx bit, I think a #20.


Make sure the oil is up on the stick, 2-3 Qts. low is too much. Hot engine, should be at the full mark. Cold engine leave 1 Qt low.

Oil is around a quart low on a warm engine right now

 

[OLDBULL8]

Could be several other things wrong, The ICP (injector control pressure sensor) if it's leaking oil, needs to be replaced.

Fuel Pressure.

3/16 BB in the regulator (low fuel pressure) Should be 60lbs to 85lbs
Regulator is the 19 mm brass bolt, on the right side of your fuel filter housing. Unscrew the bolt, pull out the spring, pull out the housing with a magnet, put the bb inside the housing were the spring goes, put the housing back, put the spring back in and put the bolt back in, just make sure the little nipple on the bolt goes in the center of the spring and tighten it up.

Explaination of how to put the BB in the fuel regulator little better and clean the regulater screen
Get a regular BB, wait till your engine cools some and take the black cover off the top of your motor. This requires a 1/2 in deep socket and ratchet. There are 3 nuts on the cover. Next look at your fuel filter bowl and just to the right at the front will be a brass 19 mm plug on the fuel regulator. You will want to place a rag below this plug in case you drop anything. Next, remove the plug and place it on the top of your fuel filter housing using a 19 mm socket or wrench. You will now see a little spring that is exposed. Take a pair of small needle nose pliers and grasp the spring and pull it out of the regulator. Place it by your plug noting the way it came out. You will want to go back in with the same end that came out of the regulator side. Next, take a pencil tip magnet and be sure everything is clean on the magnet (we don't want metal shavings in there)....place the tip of the magnet in the hole and it will pull out the little tri-angular plunger that regulates the fuel pressure. Take the plunger off your magnet and look at the end of it. The end that has the hole is where you want to place the ball bearing. Take your ball bearing and drop it in the hole. When I did it the ball just fell in the hole. Take a little punch and make sure that it seats in the counter bore of the plunger. Not with a hammer, just pushing on it by hand will suffice. Next, make sure everything is clean and place the spring back in the plunger the way it came out. Place the plunger back into the regulator. The tri-angular shape will "FIT" into it's respected groove. DO NOT FORCE IT. Turn the plunger until it slides right in. Next, take the 19 mm plug and coat the o-ring with some oil or light grease so you will not damage the o-ring. Next, note the nipple on the end of the plug where the spring is centered. Be sure to get that nipple into the hole on the end of the spring or you will bend the spring and you have trouble. Push the plug toward the threads in the housing as it will be harder to push now, and screw your plug back into the regulator. DO NOT CROSS THREAD THE PLUG. Next tighten the plug back down snug. DO NOT OVERTIGHTEN. Now its time to do the;
Fuel Regulator Screen Cleaning
The fix is simple. Take off the cover over the fuel filter, 1/2 socket does the job. Place a towel or shop rag under the fuel regulator!!!! There are two 10 mm bolts just to the right of the fuel filter, take both out making sure you put them back the way they came out. Gently pry the fuel regulator away from the fuel filter housing, making sure you don't drop the o-ring. You will see a small screen about 1/4 inch. Using a small screwdriver or q-tip w.out the cotton ball on the end, wipe the screen and then put everything back together. The material you get off the screen I have been told is from o-rings. The fix will only take 15 to 20 minutes. If you find the regulator is blocked, clean it, install new fuel filter, and it shouldn't need to be done again for 12 months.
Replace your black cover and you are ready for a test drive to see if you made any difference. You should definitely feel a difference in throttle response. You will actually have more boost pressure.

 

[OLDBULL8]

Go here for lots of info on the PSD's

http://pages.prodigy.net/stevebaz/_import/pages.prodigy.net/stevebaz/index3.html

 

[93turbo_animal]

sounds like mine when I lost an injector

 

[dyoung14]

Ok so today i cleaned the reglator screen it was pretty dang nasty and i shimmed the fuel reglator with a BB as told so, and i noticed maybe just a little more power and throttle responce but i could be wrong, also noticed this miss still comes and goes,

When the little miss comes (its not very noticable driving) the power is about like a worn IDI when the truck is running right it seems like it might put run my IDI thats N/A

 

[Goofyexponent]

How does your fuel filter look David? I was thinking about this yesterday while at the beach and I had the SAME problem happen to the N14 in the Kenworth a couple weeks back. Turned out come junk got into one of the tanks and plugged the filter SOLID. I couldn't get the engine to wind up over 1300 by the end of it. I changed the filter, fired her up and it was like she gained an extra 100 horsepower.

 

[OLDBULL8]

An intermittent miss is tough to diagnose. I traveled about 7K miles before my engine would not even start. Turned out to be the UVCH on my 99. Check that out, a little work to do it but worth the effort. Go here for info. http://www.forddoctorsdts.com/articles/article-05-10.php
NAPA carries the UVCH, I think for around $57.

 

[dyoung14]

How does your fuel filter look David? I was thinking about this yesterday while at the beach and I had the SAME problem happen to the N14 in the Kenworth a couple weeks back. Turned out come junk got into one of the tanks and plugged the filter SOLID. I couldn't get the engine to wind up over 1300 by the end of it. I changed the filter, fired her up and it was like she gained an extra 100 horsepower.

The fuel filter is brand new

Today i drove it and it felt like i was driving an old 6.2 or 6.5 chevy

Wouldnt stop missing at all

But i did notice now that after shimming the FPR i have a little black smoke before the turbo starts to spool, then i aint got none after that

 

[82F100SWB]

My vote goes for pulling the valve covers and checking out the harnesses. Thats what it's been on the last couple trucks I've run into intermittent misses on.