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

Codes?

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Old Mar 4, 2008 | 08:50 PM
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Default Codes?

I have had 3 Corvettes, but my others have been from the 1970s. I just wanted to ask a stupid question: what do you need to pull codes. What type of device should I buy?
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Old Mar 4, 2008 | 10:01 PM
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Tell us what Year - and to familarize yourself with Chevy Fuel Injection - pick up Ben Watson's "Chevy Fuel Injection" at Borders or order it from Amazon.
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Old Mar 5, 2008 | 12:35 PM
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A paperclip works great for pulling codes. Heres a link, http://www.corvettebuyers.com/c4vettes/codes.htm
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Old Mar 5, 2008 | 12:56 PM
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Originally Posted by clf93lt1
A paperclip works great for pulling codes. Heres a link, http://www.corvettebuyers.com/c4vettes/codes.htm
Yep, as long as its OBD-1

A paperclip is an essential tool to keep in your console
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Old Mar 5, 2008 | 02:34 PM
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However, knowing the code number and even knowing what circuit the bad reading came in on (decoding the number) is only half the process. For instance, a code 32 for the EGR valve, seldom is caused by a defective EGR valve. A rich mixture could be the result of a defective O2 sensor, or some other malfunction may have caused the rich mixture. Don't automatically replace the named device. Don't shoot the messenger. Trouble shoot the code and symptoms in a logical orderly sequence designed to locate the cause without replacing expensive parts, needlessly. The FSM has excellent trouble shooting charts for each of the trouble codes.

RACE ON!!!
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