C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

need help with codes

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Old Dec 3, 2003 | 12:08 AM
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CRVETTE92
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Default need help with codes

I did the ALDL pin trick to get the service engine codes.When i short pins "A" and "B" i got a code 32.When i shoted pins "A" and "G" to see the codes displayed on the speedometer i got code's 72,74,32,and 65.For the first one i got the standard code 12 three times then code 32 and then the last three code 12's.I let it run again to varify i only had one bad code,and the same one appeared again.Is it possible the test using the speedometer readout gave me other stored bad codes?A few days before i did this check i changed batteries,so there should'nt be any codes stored.My question is which reading should i go by and how do i go about fixing the problem?I don't have a code manual to varify.Any help you guys give will be grately appreciated.BTW the service light comes on about 45 min into freeway driving or on long sustained driving.I don't get the light for short trips around town.Thanks.

92 LT1 (stock....for now) Black Sheep Squadron member :flag :seeya
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Old Dec 3, 2003 | 11:51 AM
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Default Re: need help with codes (CRVETTE92)

Here's a list of 92-93 codes. I think there are more in the manuals though. http://www.corvettedoctor.com/1992-93_Codes.htm
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