LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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Old Sep 29, 2008 | 02:50 PM
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So I took my car to get some codes figured out and there is an "Error" when there tryying to connect to my computer?!? and they can't get through, my car seems to be running alright, it's not missing or anything like that. But I get a check engine light randomly...

Anyone have any Idea's?
By the way it's a 1995 Trans AM LT1
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Old Sep 29, 2008 | 02:59 PM
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They are probably trying to use an OBDII scanner on it. Some OBDII scanners will read OBDI cars with an OBDII ALDL port and some won't. I take it you took it to an auto parts store?
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Old Sep 29, 2008 | 06:06 PM
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no I didn't it was a friends shop, so what do I do then? how do I get it to read?
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Old Sep 29, 2008 | 06:26 PM
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Check your cig lighter fuse mainly, if thats good check all the other fuses.
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Old Sep 29, 2008 | 06:46 PM
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Check the bottom right hand pin on the ALDL port for 12v power.
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Old Sep 29, 2008 | 07:31 PM
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Since its a 95 it could be OBD II style ALDL with 12v power from the ALDL or the older OBD style ALDL wich is external power source.
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Old Sep 29, 2008 | 08:13 PM
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im having this same problem...lol im talking to speartech tomorrow though...he will know exactly what to do...call jon with speartech, hes a great guy and is willing to help you out if needed!
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Old Sep 30, 2008 | 11:48 AM
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Originally Posted by jarretthise
im having this same problem...lol im talking to speartech tomorrow though...he will know exactly what to do...call jon with speartech, hes a great guy and is willing to help you out if needed!
Well I'm glad I'm not the only one with this problem..lol but could you just tell me on here how it goes considering I'm from Ontario,Canada lol thanks
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Old Sep 30, 2008 | 07:22 PM
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lol when i talk to him ill let ya know what he tells me yeah...
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Old Sep 30, 2008 | 07:37 PM
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i would assume they are connecting an OBD-II reader to your OBD-I car. some scanners can read them as previously stated. do you know about when the light comes on? is it like cruising at 50-55mph? or is it randomly? probably the EGR if i were to simply guess.
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