no reading from data link port onf-250 superduty 1999

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MPRDCP
  • MEMBER
  • 1 POST
could not get emission test done
Oct 29, 2011 at 11:04 AM
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RIVERMIKERAT
  • ✓Experienced Mechanic
  • 6,106 POSTS
Check for broken wires or loose connectors.
Oct 29, 2011 at 10:35 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
if vehicle is running ok it sounds like a problem between connector port and ecm.
Oct 30, 2011 at 11:21 AM
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