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

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Old Apr 19, 2007 | 07:11 PM
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Default Code 26 Help

My service engine light comes on once in a while not all the time. I have a 93 auto just pulled it out of storage a week ago. The only thing i did over the winter is put new gears in it that should have nothing to do with it. No service engine light last year before i stored it. Ty in advance for your info.
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Old Apr 19, 2007 | 08:37 PM
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The only thing I came up with is qdm3 ccp electrical failure. Quad driver module 3 monitors egr and Charcoal Canister Purge solenoid. The solenoid is under the map sensor on the passenger side. I believe it controls the cooling fans also. Hope this helps some, that is all I can find.
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Old Apr 21, 2007 | 07:18 AM
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Ttt
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Old Apr 29, 2007 | 09:47 AM
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Ttt
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Old Apr 29, 2007 | 01:12 PM
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Trouble shoot per your FSM.

RACE ON!!!
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