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Power Strokes 1994-1997 Upgrades and Aftermarket Upgrading and adding aftermarket equipment to your 1994-1997 Ford F-Series with Power Stroke engine.

       
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Old 03-17-2005, 07:52 PM   #1 (permalink)
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Slight Loss of Performance

Hi guys! I am new to this site and being a doit yourself backyard mechanic and a real sceptic of Ford Dealerships for repairs. I thought you guys with more experience could help me.

My truck has 199,875 miles and was running well until last month. With overdrive ON the truck has a noticable lack of power until you reach 60 MPH. It does drive better with overdrive OFF, but it did not use to run like this. When I change the tuning using my Superchip (high performance) it runs fine (fuel economy sucks). I ran a diagnostic and cam up with no DTC's. It appears the condition is getting worse. Something or part is wearing down. [img]/ubbthreads/images/graemlins/shrug.gif[/img]

Ford dealship said it was my injector pump "o" rings and wanted $650 for the repair. Then an independant diesel reapir shop said I needed all new injectors and wanted $1400. They are all out to get me!!!
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Items replaced: Cam Positioning Sensor, Brake Vacum Pump, Alternator, 1 Set Batteries, Fuel Pump, 1 Set Brakes.
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Old 03-17-2005, 08:38 PM   #2 (permalink)
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Re: Slight Loss of Performance

[img]/ubbthreads/images/graemlins/biggrin.gif[/img] First off...welcome to the site...what has taken you so long to find us?

Your absolutely correct, that the Ford Dealership is nothing but a LEACH, to try to squeeze every nickle they can from you, as there are far better alternatives these days.
Most parts needed, can be bought from other vendors, either for less (sometimes ALOT less) or of much better quality!

You'll find no other source on the net that is more educational than the folks here, of which everyone is always willing to lend a hand!
There is even a "Powerstroke Registery" of which you can access...all over North America, where if you break down in some uknown place, you just call up the local guy in that area, and most often he'll do whatever he can to get you up and running again! Hard to find that kind of service for Free anywhere these days!

Now, if you haven't done your injector O-rings, you very well may need new ones, BUT for the price that they quoted you, for not much more, you can put in some aftermarket injectors (all checked out, with new O-rings) and much better power output and probably fuel mileage with the correct chip programming!
At 200K, you've finally got that engine broke in, so it should run fine for a LONG LONG time yet! There are several folks on here, with alot more miles than you have, who are just starting to add "modifications" to make their Powerstrokes both run alot more efficiently and with much better power ouput 5VR_Nut!

More than likely, as mentioned..with your mileage, it is time to spend a few bucks to get her back in shape for another run at 200K on top of what you have.

You might want to check out

<font color="blue"> Steve Baz's </font> website, of which we usually send most new comers, as there is alot of valuable information to learn on the Powerstroke there. Check out his "Tricks &amp; Tips" section.

Our injectors don't use a so called "Pump" like the IDI's did, but we do have a High Pressure Oil Pump" and you may possibly need new O-rings on the IPR (injector pressure regulator) as well. The IPR sits ON the high pressure oil pump, and O-rings for it are quite inexpensive.
If you need to know how to do that, just ask, as there have been many of us who have done this already.

If you have any other issues, or questions, just fire away, and most often you will always get an answer one way or the other.

Best of luck!

Dale
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<span style="color: blue"> My truck </span> & <span style="color: blue"> Dual Idler Tensioner mod </span> , <span style="color: blue"> Superduty HPOP & Mini-Me ~ Swamp Injectors </span>
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Old 03-17-2005, 10:18 PM   #3 (permalink)
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Re: Slight Loss of Performance

unless the tranny is short shiftign in OD there should not be a differnce because it will not shift to OD til 42 mph. I would do two tests, OD on then OD off , leave a light or a long strech and hit the throttle wide open, and leave it til if shifts to OD and see what happens. There is no correlation between OD on/off as far as the PCM relates to teh power output of the engine.
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Old 03-18-2005, 09:10 AM   #4 (permalink)
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Re: Slight Loss of Performance

[ QUOTE ]
Ford dealship said it was my injector pump "o" rings and wanted $650 for the repair. Then an independant diesel reapir shop said I needed all new injectors and wanted $1400. They are all out to get me

[/ QUOTE ]

There is no "injector pump" on a PowerStroke...the dealer is 1 - clueless, or 2 - an outright thief.

You can get a entire rebuilt set of injectors from Swamp or bean for about half the price the "independent diesel repair shop" wants.
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