no reading from data link port onf-250 superduty 1999

1999 FORD F-250
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MPRDCP
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  • 1 POST
could not get emission test done
Oct 29, 2011 at 6:04 PM
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RIVERMIKERAT
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  • 6,110 POSTS
Check for broken wires or loose connectors.
Oct 30, 2011 at 5:35 AM
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FIXITMR
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  • 9,990 POSTS
if vehicle is running ok it sounds like a problem between connector port and ecm.
Oct 30, 2011 at 6:21 PM
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