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

Hypertech power chip - uninstall! Help

Old Oct 30, 2012 | 10:25 PM
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Default Hypertech power chip - uninstall! Help

I recently purchased a '93 which the past owner installed a hyper tech power chip. Recently the car stated idling very high, around 1500rpm. I'm not sure if the hypertech chip could be the cause of this, but I am going to uninstall it. Do I need to replace this with a stock chip or is it more of a 'piggy back' that I can just take out?
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Old Oct 31, 2012 | 01:46 AM
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Originally Posted by mparisi
I recently purchased a '93 which the past owner installed a hyper tech power chip. Recently the car stated idling very high, around 1500rpm. I'm not sure if the hypertech chip could be the cause of this, but I am going to uninstall it. Do I need to replace this with a stock chip or is it more of a 'piggy back' that I can just take out?
Remove the cover on the ECM and check it .Will be obvious whether you have a standalone Hypertech memcal or a adapter board with possibly the stock memcal attached on the side
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Old Nov 3, 2012 | 04:39 PM
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search for a vacuum leak,ceck vacuum lines or leaks from manifold-plenum gasket...
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