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  #1  
Old 02-09-2005
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Wonder how well this would work? (Diagnostics)

http://www.thinkgeek.com/gadgets/electronic/72fc/

Looks interesting, according to them you can send codes to the computer as well as have a diagnostic tool. Anyone have some more information on it? Would be great if it could be used to tune as well as monitor conditions.
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Old 02-09-2005
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Interesting gadget but ugly as sin!

You can have a diagnostic tool for a lot less if you don't need a "standalone" tool.

They don't say if it's compatible with all "flavors" of the interface: ISO, PWM, and VPW. Ford uses VPW, GM generally uses PWM, and Chrysler and most imports use ISO from what I remember. For a "tech" site, they are a bit shy of real specifications.

Neat idea though.
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Old 02-09-2005
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Wonder how it calculates MPG..
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Old 02-10-2005
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A friend of mine has a diag system for his Audi S4. He uses a Dell Inspiron 8200 laptop and it hooks into his diagnostic port under the steering colum. It looks a bit like something out of "The fast and the furioius", but it's super cool. He can moitor boost pressure, RPM, MPH, MPG, 0-60. All the updating on the laptop is real time, so it's super cool to watch him rev or just stand on it and dump the clutch. It also has a power curve feature too. I will ask him the program he uses next time, but I am afraid its specific to Audi S4's.
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Old 02-10-2005
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Quote:
Originally Posted by NHBubba
Wonder how it calculates MPG..
Injector pulsewidth, rpm, vehicle speed.
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  #6  
Old 02-10-2005
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Waffen: Probably not. The OBDII interface is somewhat standardized. There are some features that are present on every vehicle sold in the US, in fact it's a Federal Law that the system work that way. Of course as many standarized, public data IDs there are, there are probably 2-3x as many maker or even model specific ones. At least that's the impression I get when messing around w/ this stuff..

Measuring the injectors uh? Hmm.. Wonder if the algorithm is public knowledge. Where's my google..
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Old 02-10-2005
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Quote:
Originally Posted by NHBubba
Measuring the injectors uh? Hmm.. Wonder if the algorithm is public knowledge. Where's my google..
I'm reasonably sure that the injector pulsewidth is available through the OBDII port. Once you know that and RPM, you know the flow rate/unit time. That and the vehicle speed will give you instantaneous MPG. Add averaging over time and you could do cumulative trip fuel economy, as well.
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Old 02-10-2005
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I've see that in the back of Hot Rod issues, apparently it must work. But i would rather do the laptop or head unit display. Some Pioneer head unit displays all that shyt that box would display. And doesn't take up space.
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  #9  
Old 02-10-2005
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Quote:
Originally Posted by n3elz
Interesting gadget but ugly as sin!

You can have a diagnostic tool for a lot less if you don't need a "standalone" tool.

They don't say if it's compatible with all "flavors" of the interface: ISO, PWM, and VPW. Ford uses VPW, GM generally uses PWM, and Chrysler and most imports use ISO from what I remember. For a "tech" site, they are a bit shy of real specifications.

Neat idea though.

you sure? according to Digimoto's site, all fords use a PWN just about
Quote:
Ford Aerostar 1997 PWM
Ford Contour 1999 PWM
Ford E150 2000 PWM
Ford E350 2000 PWM
Ford Escort 1998 PWM
Ford Expedition 1998 PWM
Ford Explorer 1998 PWM
Ford Explorer 2000 PWM
Ford F150 1997 PWM
Ford F150 2003 PWM
Ford F150 (truck) 1999 PWM
Ford F150 (van) 1999 PWM
Ford F250 2000 PWM
Ford F250 (Australian) 2002 PWM
Ford Fiesta 1997 PWM
Ford Focus 1999 PWM
Ford Focus 2002 PWM
Ford Focus (UK) 2001 PWM
Ford Focus SVT 2002 PWM
Ford Mustang 1998 PWM
Ford Mustang 2001 PWM
Ford Probe 1997 ISO
Ford Ranger 1995 PWM
Ford Ranger 1996 PWM
Ford Ranger 1997 PWM
Ford Ranger 1998 PWM
Ford Ranger 2002 PWM
Ford Ranger 4x4 Pickup 2000 PWM
Ford Taurus 1996 PWM
Ford Taurus 2001 PWM
Ford Thunderbird LX 1997 PWM
Ford Windstar 1995 PWM
Ford Windstar 1996 PWM
Ford Windstar 1997 PWM
Ford Windstar 1999 PWM
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  #10  
Old 02-10-2005
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It's true. John must be having a moment. Most Fords run PWM, most GM's run VPW, and most imports run ISO. Although there are some exceptions to any of that. My Ranger runs PWM. I know this from experience..
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  #11  
Old 02-10-2005
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Quote:
Originally Posted by NHBubba
It's true. John must be having a moment. Most Fords run PWM, most GM's run VPW, and most imports run ISO. Although there are some exceptions to any of that. My Ranger runs PWM. I know this from experience..

OOOOOHHHHH NNNNNOOOOOOO


ill never let him down for this one
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