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V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

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Old 04-23-2008, 08:58 PM   #1
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reading codes without reader?

Is there a way to jump the diagnostic of the computer in the camaro to get the problem codes? I am having some very eratic mis-firing in the car and I really didnt want to spend the money for soemone to hook up an computer and tell what is wrong, esp if I can do it myself.

I know that in my truck, I can run a jumper wire and count how many times the check engine light flashes.
Thanks
Marco
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Old 04-23-2008, 09:40 PM   #2
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Re: reading codes without reader?

LINK to tech article
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Old 04-24-2008, 10:34 PM   #3
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Re: reading codes without reader?

Unless your SES light is on or has been on, therewon't be any stored codes.

Also, our cars don't store misfire information. If you have a misfire, you can go on forever and the ECM won't have any clue.

First thing to do with a misfire is to check the integrity of the ignition system. When was the last time you did a tune-up?
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Old 04-24-2008, 11:01 PM   #4
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Re: reading codes without reader?

Quote:
Originally Posted by marco93L View Post
Is there a way to jump the diagnostic of the computer in the camaro to get the problem codes? I am having some very eratic mis-firing in the car and I really didnt want to spend the money for soemone to hook up an computer and tell what is wrong, esp if I can do it myself.

I know that in my truck, I can run a jumper wire and count how many times the check engine light flashes.
Thanks
Marco
That's how our 3rd gens work to. Count the flashes. But, if your Check Engine light isn't already on, you won't get anything but the end code.
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Old 04-24-2008, 11:01 PM
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