3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

I have a CEL but no codes.....

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Old 07-17-2007, 10:47 AM
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I have a CEL but no codes.....

.....should I worry about it? Truck still runs great. What do you guys think?
Old 07-17-2007, 02:03 PM
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Weird!!!! if there is a CEL then there SHOULD be a code of some sort
what are you reading the codes with???
Old 07-17-2007, 02:52 PM
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The key trick. Could there be others that don't show up?
Old 07-17-2007, 03:05 PM
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yes there could be. Try reading codes with your Bullydog..if you still have it.
Old 07-17-2007, 03:40 PM
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Originally Posted by 973604x4
yes there could be. Try reading codes with your Bullydog..if you still have it.

Sold it a couple weeks ago.


Any idea what type of code could be hiding in there?
Old 07-17-2007, 04:13 PM
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Originally Posted by ptgarcia
Sold it a couple weeks ago.


Any idea what type of code could be hiding in there?
could be anything...you need a scanner to find out more.......
Old 07-17-2007, 04:53 PM
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Anyone in my area have a scanner?
Old 07-17-2007, 07:16 PM
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local Autozone will scan for free.
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