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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

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May 12, 2007 | 03:57 PM

#1

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From: New Palestine, IN

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My check engine light comes on constantly, when I run a scan on it the code it reads sais "air circuit" any idea what that could be?

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May 12, 2007 | 04:00 PM

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From: Decatur, TN (N-W of Athens)

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That's all it says is "air circuit" ?!

Only thing I could come up with in Google was

Code 61- Air conditioning circuit performance: Check A/C system for possible low pressure in R134A freon.

This was coming from a site who listed F-Bodys 92-95 with TPI though lol

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May 13, 2007 | 12:29 AM

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lol ya all it reads in the scanner is "air circuit"...it might not be any big deal, its just annying to have the check engine light on 24/7

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May 13, 2007 | 05:42 AM

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It should give a number at least. Do it the old fashioned way with a paper clip and count the check engine light flashes

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May 13, 2007 | 05:52 AM

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I think the paper clip only works on 93's which would be correct in your case Formula350. I am thinking air circuit is the AIR pump.

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May 13, 2007 | 09:41 AM

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From: Decatur, TN (N-W of Athens)

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Oh, well then har! >_>

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1993, checking, clip, codes, firebird, paper

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