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

no codes, A/C issue

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Old Jun 18, 2007 | 03:02 PM
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From: Bruce WI
Default no codes, A/C issue

Every time I use the air, after about 30 min. I get the Service Engine Soon. ONLY when I use the air, never comes on any other time but air triggers it EVERY time. I dont have a plug to get codes but was hopeing someone might have an idea to check out, any help would be appreciated!
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Old Jun 18, 2007 | 03:16 PM
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You don't need anything but a paper clip or similar to get the code. All you need to do is place a jumper wire between "A" and "B" on the ALDL and turn the Ign. to on. The SES light will flash to give you the code. It will start by flashing 12 three times(flash, pause, flash flash=12)
After the 12, it will flash all trouble codes 3 times.

http://members.shaw.ca/corvette86/No...it%20Check.pdf
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