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Old August 31st, 2006, 11:33 PM   #1
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OBD 1 or 2?


94 mustangs are what OBD 1 or 2? I know its a stupid qquestion but I couldnt find any info on the web about it. Thanks guys. Also I'm not a complete idiot about mustangs. I usually go to a different forum but they arent as helpful anymore, haha they banned the guys that "know" mustangs....
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Old August 31st, 2006, 11:40 PM   #2
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OBD1
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Old August 31st, 2006, 11:49 PM   #3
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holy crap I havent heard from you since the days at mustangforums...... Does OBD 1 store codes or no? Is the only way to get codes off of it when the check engine light is on?
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Old September 1st, 2006, 12:10 AM   #4
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Heh, welcome to MM dude. Yes it stores codes (for I think 3 drive cycles), though you'll need a code scanner to get them. They're pretty cheap, grab a Ford specific OBD1 code scanner at your local parts store. Autozone might even scan for free.
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Old September 1st, 2006, 12:42 AM   #5
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unfortunetly autozone will only do OBDII and not EEC-IV/OBDI but you can get the scanners fairly cheap they even sell them at sears in the automotive section or you can use some wire and a multimeter to pull the codes by watching the needle sweeps.
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Old September 1st, 2006, 03:31 PM   #6
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i picked up a nice one at walmart for 30 buxs. then got online and got the extension for it. also comes with a code book.

found it at AZ
http://www.partsamerica.com/ProductD...artnumber=3145
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Old September 1st, 2006, 10:10 PM   #7
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The haynes manual shows you how to jump the diagnostic conector with a paper clip and flash codes buy counting the check engine light flashes and also has a full list of OBD I codes for the mustang .... wish i would have got to this thread sooner and might have saved you thirty bucks....
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Old September 1st, 2006, 10:11 PM   #8
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Originally Posted by Autotech
The haynes manual shows you how to jump the diagnostic conector with a paper clip and flash codes buy counting the check engine light flashes
This is for GM vehicles actually.
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Old September 1st, 2006, 10:42 PM   #9
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yea i knew about counting the flashes, id rather just hook up my scanner and it display the code.
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Old September 2nd, 2006, 04:57 PM   #10
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This is for GM vehicles actually.
No Actually it is for OBD I , and yes it will work for GM or Ford....

Scanners Are Awesome. I have a SPX Genysis ( pricy ) at my shop and it makes life so much better.. but for home use the one you got is a good one for the money .
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Old September 5th, 2006, 11:51 AM   #11
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Stupid Newbie Question:

Does the ECU have anything to do with whether OBD1 or OBD2 is what you come up with? My '94 has been chipped with a Hypertech programmable ECU and I'm wondering if this has any effect on things like realtime stats, and whether or not I can get a USB interface cable and collect stats on my laptop or not... I have a Hypertech 554001 and can't find anything else online about what it's capable of, how it actually works, or if this is similar to replacing the '94's computer with the computer from the '93 version.

This seemed to be the thread to ask on.

Thanks!
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Old September 5th, 2006, 02:14 PM   #12
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OBD (On Board Diagnostics) this is the software built into the ECU, the 94 and 95 Stangs are equipt with OBD I, and 96 -2004 are ODD II.
Not sure but I think the 2005 to present are CAN ( Controller Area Network ) Did your hypertech554001 come with a manual ???
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Old September 5th, 2006, 02:52 PM   #13
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Manual... that's my transmission, right?

All kidding aside, I have to look and see if the manual is in the box that came with the car... because I didn't do any of the mods to date.

However, it's going to be my project car, so I'll be doing lots more mods in the near future.

Anyway, I'll look and see if I have a book to go with the hypertech.

Thanks,
J
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Old September 5th, 2006, 04:37 PM   #14
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Originally Posted by ArmchairDeity
Stupid Newbie Question:

Does the ECU have anything to do with whether OBD1 or OBD2 is what you come up with? My '94 has been chipped with a Hypertech programmable ECU and I'm wondering if this has any effect on things like realtime stats, and whether or not I can get a USB interface cable and collect stats on my laptop or not... I have a Hypertech 554001 and can't find anything else online about what it's capable of, how it actually works, or if this is similar to replacing the '94's computer with the computer from the '93 version.

This seemed to be the thread to ask on.

Thanks!
this is all i could come up with;

install guide: http://www.hypertech-inc.com/get_ins...ion.php?iid=68

powermodule information: http://www.hypertech-inc.com/powermodule.html

for the more specific questions i would call hypertech at (901)382-8888 or talk to your local tuning shop or authorized hypertech reseller.
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Old September 5th, 2006, 04:45 PM   #15
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Thanks 99mustang232, that's what I came up with too... I'm a bit surprised that there's not more information available on this.

It seems to be a CA-only chip, and my biggest question was whether or not this supplies OBD II as part of the upgrade and whether or not this thing requires manual tuning to get the car to benefit from it.

It appears that the answer to both is "no" but I'll check to see if I have any documentation when I get home. If I do, I'll post what I find here.

Thanks everyone...

J
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Old September 27th, 2006, 09:06 PM   #16
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Originally Posted by Autotech
The haynes manual shows you how to jump the diagnostic conector with a paper clip and flash codes buy counting the check engine light flashes and also has a full list of OBD I codes for the mustang .... wish i would have got to this thread sooner and might have saved you thirty bucks....
That's correct..

You can also learn it from Tengram at my5oh.com tech source by clicking here:

My5oh.com How to do a Self-Test
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