PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

CEL problem

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Old Oct 18, 2014 | 08:52 PM
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Default CEL problem

When I get on it hard (high rpm) I get CEL (low power to pcm)?? I can clear the code until I get on it again it comes back..

Also my tach is off 50% .. do I need a resistor to pull up the tach Sig to 12v? Or is this in my tune?

97 ws6. 06 gto ls2 DBW

New here so I hope I'm posting in the right spot.. thanks in advance
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Old Oct 18, 2014 | 09:12 PM
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Check your battery connection.
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Old Oct 18, 2014 | 10:10 PM
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Thanks for the tip. Would a loose connection cause this code? Brand new yellow top so connections are good there. But The little clip on top of the alt. Is cracked but the connector sits iN there tight it just doesn't click in if u know what I mean. Could this cause the cel to come on? When I get on it Maybe it vibrates just enough to loos a conection for a split second causing the cel??
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Old Oct 18, 2014 | 10:22 PM
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JakeFusion.. what size street lites are those?
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Old Oct 18, 2014 | 11:35 PM
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17x9.5 front and 17x11 rear.

And yeah, if you have a bad connection anywhere between the battery and alternator it can do some whacko stuff.
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