Chip or not? - Ford Powerstroke Diesel Forum
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Old 12-01-2006, 04:55 AM
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Chip or not?

Hey everyone.
I was wondering how I can find out if my truck has been chipped or reprogrammed? When I bought it some time back, the SD tech at the Ford dealer said he suspected it was chipped/programmed. Everything appeared bone stock when I got the truck, and after a few months, seems like I've lost a big of performance and fuel mileage. I've also gotten the itch to do some perf. mods like a programmer, etc... BUT I need to know where I am now before I go forward. What I'm getting of my scantool is normal boost readings and a max net engine torque of 448 lbs/ft. This is a bit low from the 500 lbs/ft of toorque the engine should be putting out. Any thoughts on how to tell for a chip and or the torque output I'm getting? Thanks
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Old 12-01-2006, 05:11 AM
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One thing you can look for, is if you pull the cover off your PCM, the PCM if you do not know is on the driver side down where your left foot would be. If you have an auto, I belive there are two 10mm blots in the black cover holding the cover on, if you have the 6 spd, there are three bolts, two of them are pretty easy to get to, the other one is way up high and when I pulled mine out, I cussed a little but, once you get it wiggled off, if you see anything other than a black piece in the hole, that is where a chip would be. If you took it to a dealer, and they did not see a program or any changes, you prolly dont have a tune on the PCM, or they reflashed over it and that might be where the drop in power had come from. You can also look for a module under the hood, but I am not sure exactly where the plug in as I have never run one, but I am sure someone will be along shortly that can help with that. Also, be sure and change your fluids and filters on a regular basis, that can affect things too. Hope this helps, and welcome if you have not been welcomed already.
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Old 12-01-2006, 02:48 PM
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Thanks for the hospitality. I've been a reader on the forum for a while, but just starting to fiddle with the truck for more power. As for the fluids, the P.O. changed them on a regualr basis and so do I. I've even recently changed tranny fluid and filter. The crazy thing is I feel like the truck has lost power a bit since I've had it. actually the torque readings I got with my scantool over a year ago showed just over 500 lbs/ft and now I can't break 448 no matter what. This is the net engine torque, by the way...
I'm going to look for a chip and see. As for the dealer, they never looked in to the PCM when I had it inspected, but checked beepbeepbeepbeep near everything else.
Also, this truck has 248,000 miles on it w/ all original tranny and TC. Most miles were just from rolling down the texas highway by the previous owner, who never even put a trailer ball on it, nor used the receiver hitch. I've used it a little but nothing that should even make this truck grunt. What torque #'s are others getting with a stock 7.3? Any more thoughts are appreciated. Thanks guys
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Old 12-01-2006, 03:02 PM
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Could be just due to the increased number of miles.
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Old 12-01-2006, 03:03 PM
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if the drop has been with in the past few months, the new ulsd fuel may be to blame for the mpg drop.
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Old 12-01-2006, 03:15 PM
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Good thinking Brian, did not even think about that.
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Old 12-01-2006, 04:55 PM
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Neither did I... overlooked the obvious fuel differences.. Now that I think back, it has been a little off ever since the low sulfur stuff hit the pumps. As for the miles, how long does a stok TC typically last? I know I'm getting a little off my original topic. Just many many questions in my head. Thanks
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