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

When hooking up a scan tool...

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Old Sep 7, 2004 | 06:18 PM
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Default When hooking up a scan tool...

... the idle picks up. Why would this happen?

It only seems to happen when I plug the EASE or a friends GenisysOTC scanner into a pre 87 Corvette.

Also, my EASE is displaying codes that the OTC does not... most odd.

argh.

thanks!
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Old Sep 8, 2004 | 03:36 PM
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bogus if i recall on the OBDI cars when you plug the connector into the port of the car they go ninto a diagnostic mode... do the fans also turn on?

If not it sound like somewhere the connector or cable is perhaps jumpering somewhere or the dongle is bad...

mo
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Old Sep 8, 2004 | 04:21 PM
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I don't remember... it might... hell, I was testing one car last week, and it flat shut down when I tried to test it!!!
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Old Sep 8, 2004 | 10:57 PM
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My '86 Vette and '87 Chev Van both idle a bit higher with the scan tool hooked up. My mechanic friend said it's normal.
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Old Sep 9, 2004 | 01:36 AM
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Thanks!!!

that is pretty much what I expected to hear, but I needed to be sure.
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