5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

2 or 3 digit codes?

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Old 08-27-2006, 12:04 AM
  #11  
blkgt50
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Default RE: 2 or 3 digit codes?

Hey Stiffclutch, You can go to any auto zone and have them read it for you. With the Ford scanner you can check for code with the car off and with it running. there are two sets of codes key on engine off (koeo) and key on engine running (koer). the connection for the reader is on the driver side shock tower. When the engine is on and you put the tester on it will raise the rpms and you'll hear clicking and stuff, nothing to be worried about it's just checking the sensors and balance on the cyl.
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Old 08-27-2006, 12:06 AM
  #12  
PX429
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Default RE: 2 or 3 digit codes?

Autozone does not test on OBDI cars only OBDII (i used to work there)
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Old 08-27-2006, 12:12 AM
  #13  
blkgt50
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Default RE: 2 or 3 digit codes?

Uh..... I work there now and I know that we do it and only because I talked the manager into buying one for the store. Your store my have not do it but there is only like 2 or 3 poeple in my store that know how to use it. I don't know if every store has one that they use but all the store here in VA BCH have them.
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Old 08-27-2006, 12:12 AM
  #14  
95hooptey
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Default RE: 2 or 3 digit codes?

Thats right PX but I have a 95GT and it was OBDII?..............He said "no days is it OBD1" until he walked out and saw it..............I guess it was built at the end of 05??
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Old 08-27-2006, 12:16 AM
  #15  
blkgt50
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Default RE: 2 or 3 digit codes?

some of the 95's have the ODB II. And your right it might have been a car that was built late 95.
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Old 08-27-2006, 12:20 AM
  #16  
PX429
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Default RE: 2 or 3 digit codes?

all 94-95 mustangs have an OBDII plug. but they don't work anywhere near what a 96+ mustangs OBDII work. You can not control the CPU like you can in a 96 mustang. In order to get a acurate code reading you have to run your OBDI set up.

[sm=icon_rtfm.gif]
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Old 08-27-2006, 12:23 AM
  #17  
blkgt50
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Default RE: 2 or 3 digit codes?

I just did a 94 stang last weekend and she had the regular ODB I connection on it. I could be wrong but all the ones that I have looked at only had the ODB I on them. send me a picture of a 94-95 with the ODB II connection on it.
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Old 08-27-2006, 12:25 AM
  #18  
PONY GUY
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Default RE: 2 or 3 digit codes?

I have only seen them with ODBI . and mot of the time i'll scan them with my shop Rotundal scan tool or my snap-on thumb wheel can tool but I trust Rotundal more
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Old 08-27-2006, 12:25 AM
  #19  
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Default RE: 2 or 3 digit codes?

hold on I'll go downstairs.
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Old 08-27-2006, 12:33 AM
  #20  
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Default RE: 2 or 3 digit codes?

My OBDI



And My OBDII



I don't even remember what I was arguing anymore...
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