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Search is down CEL Code 21 help??

   
Old 01-15-2004, 04:35 AM
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Search is down CEL Code 21 help??
Can someone please let me know what a Code 21 would be?
I would haved searched but it is down? Truck info in sig if you need it.
Thanks,
Brad
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Old 01-15-2004, 10:10 AM
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Anyone??
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Old 01-15-2004, 10:36 AM
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Problem with Oxy sensor signal (bad oxy sensor or wiring)
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