CEL but no code found with scanner

03-01-2012, 10:23 PM

#1

Argento

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CEL but no code found with scanner

So I just got a 2004 used RX-8 from my cousin who takes care of this bad boy like nothing else. Yesterday the check engine light came on and I took it to Autozone and they ran it with their scanner but couldn't find a code. I also can't clear the CEL. Any suggestions?

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03-02-2012, 12:50 AM

#2

TeamRX8

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get a better scanner

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03-02-2012, 08:54 AM

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DialUp

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I've never heard of a CEL coming on without a code attached. Get it scanned again.

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03-02-2012, 09:19 AM

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alnielsen

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Quote:

Originally Posted by DialUp

I've never heard of a CEL coming on without a code attached. Get it scanned again.

It can happen. It is also possible the scanner isn't ODB II CAN bus compatible.

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03-02-2012, 09:32 AM

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Argento

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When he plugged it in he was able to see things checking out saying that they were functional, just couldn't find a code.

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03-06-2012, 05:37 PM

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seto

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it's happened to me as well.. Any idea why?

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08-09-2013, 10:35 AM

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Forrest Scott Martinez

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I have the same problem. My 8 randomly went into low power mode yesterday, the CEL light came on. I shut my car off, checked everything, and turned it back on. It ran fine, no weird sounds, nothing, but the CEL is still on. I took it to O'Reilly's and there scanner posted no codes.