'94 Powerstroke Newbie Questions - Ford Powerstroke Diesel Forum

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post #1 of 22 Old 08-31-2008, 08:18 AM Thread Starter
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'94 Powerstroke Newbie Questions

Hey all my first post! I just got a '94 F-250 a couple of days ago. I was trying to find a Chevy 6.2 powered truck originally, but this one came up, and the price was around what I was looking to spend on a truck. (Paid $800) My Dad has a '93 F-250 with the non-turbo engine, and that thing is THE BEAST!!! I was thinking the powerstroke would be about the same or better, but so far I'm not very impressed...

To start, the engine has 376,000 miles on it...I know, I'm crazy to have bought the thing. But it seems to run pretty decent, no white or blue smoke at all, starts right up, though it idles kinda of rough...once you rev it up, it seems to run fine. When I bought it, the brakes were locked up (long story there) so I couldn't take it for a test drive. I got it fixed, and now when I went to take it for a drive, it seems to have no power.

So questions...

With the turbo, when I go to rev it up, I don't hear it, when I was driving down the road, with it about floored, I still couldn't hear it. I took the air intake off the turbo, and there is oily residue inside the intake tube. The fins, from my limited experience, look okay on the intake side of the turbo, and it spins freely...I'm kind of thinking that might be my problem with no power, any thoughts on that?

The water pump was also leaking pretty bad on it, so I tore it apart and got the pump out...now that I go to look for a new one I find out the one I need is around $200!! (For the 1994-1995 years) The water pump for the 97-03 7.3 is only about $90, and they look pretty much the same as the one I need...does anyone know what the difference is between them?

Thanks so much for your time in reading this!

Eric
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post #2 of 22 Old 08-31-2008, 08:25 AM
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WELCOME AND CONGRATS!!!

Can't help ya with your questions, sorry, but someone will be along shortly that can.

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post #3 of 22 Old 08-31-2008, 08:58 AM
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from :tex The 96-03 pump will work but you need the lower neck and the top bypas hose inlet. If the lower neck dose not come with the pump it's $10-20 and the bypass barb you can get at any hydraulic shop. Get a New T-stat for a 96-03.

95 F350 CC 4X4 5 speed with some stuff
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post #4 of 22 Old 08-31-2008, 10:31 AM Thread Starter
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Thanks for the welcome guys!!!

Awesome RC51, thats exactally the info I was looking for! I'll have to get one of those water pumps ordered so I can get it back together...nothing like making progress, now to just figure out how to get that beast to make some more power and we should be cool.
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post #5 of 22 Old 09-01-2008, 07:02 AM
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Can you do a compression check on the cylinders? Oil in the intake tube is not abnormal, it's part CCV system. Does the turbo have any nicks or heavy scratches on the fins? Try changing the fuel filter, the oil, and the oil filter to rule those out. These PSD's use high pressure oil to fire the injectors, and if the oil is running out of additives, your injectors won't work properly.

For $800 and 376K miles, expect to have to put some money in to it.
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post #6 of 22 Old 09-01-2008, 07:18 AM
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welcome to the site I cant help you on that but i kno a lil bout the IDI's so if ever got questions bout that jus pm


1999 F250 CC SB 4x4 4r100 ts chip w/ php tunes
1989 F350 CC LB 4X4 N/A 7.3l IDI zf5 swapped and rebuilt engine. sold
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post #7 of 22 Old 09-01-2008, 08:20 AM
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Is your truck 94 IDI or 94 turbo or 94 DI [powerstroke]?

95 F350 CC 4X4 5 speed with some stuff
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post #8 of 22 Old 09-01-2008, 08:44 AM
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If i remember right the 94 is a 7.3l idi with a factory turbo


1999 F250 CC SB 4x4 4r100 ts chip w/ php tunes
1989 F350 CC LB 4X4 N/A 7.3l IDI zf5 swapped and rebuilt engine. sold
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post #9 of 22 Old 09-01-2008, 10:35 AM
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Ford had a IDI a Turbo and a Powerstroke [DI] in 94.

95 F350 CC 4X4 5 speed with some stuff
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post #10 of 22 Old 09-01-2008, 04:21 PM Thread Starter
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Mine's a Powerstroke...(DI and turbo) that is quite interesting that in '94 you had the option of 3 engines!

Thanks for the offer to help out on an IDI, blowinsmoke4life! I'll keep that in mind.

Quote:
Can you do a compression check on the cylinders? Oil in the intake tube is not abnormal, it's part CCV system. Does the turbo have any nicks or heavy scratches on the fins? Try changing the fuel filter, the oil, and the oil filter to rule those out. These PSD's use high pressure oil to fire the injectors, and if the oil is running out of additives, your injectors won't work properly.
Re. Compression check, I probabley could do that, I don't have a compression gage at the moment though, but spending money can change that.

On the turbo fins (intake side), at the very outside edges of them, there appears to be some nicks...

That sounds interesting that the oil might be affecting the operation of the injectors...it has in fact been awhile since its been changed...according to the sticker inside the cab-it was due at 367,000 for a oil change!

More questions.

Would the EBP sensor cause my problems of no power? I took it off today, and the line and the sensor were totally plugged with carbon...

Also, when I was taking the line off for the EBP sensor, the line twisted apart, and when I was taking the remains of the line off, it dropped down below the injector pump. (Believe its called the HPOP?) Anyway, there is this like threaded stud thats sticking out and there's some kind of electrical thingy that slides over it, and has a plug running to it. Right behind it, it looks like it needs a nut as its threaded, and if you pull on the electrical thingy, it just goes to pull off the stud...anyone know what I'm talking about?

Thanks again for all the input!
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