OBD port not working
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Senior User
Joined: Nov 2005
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From: Jacksonville, Florida
OBD port not working
I am trying to scan an 07 F250 for my nephew. He is having rough running issues when cold, and then it smooths back out. I am using autoenginuity, and the scanner will not work on his port. I looked at the wire behind it, and they all look good. It scans fine on my truck. Is there a fuse that may be blown causing it to not read? The truck is cranking up and running fine as well, other than a few minutes when cold. Any ideas on the port not working?
I'm hitting easy street
Joined: Nov 2009
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From: Central Oregon
My 04 does have a fuse, check the manual, it should be listed. Good luck.
Edit: My fuse# is 12 hooked with the Cigar lighter. For 2004
Edit: My fuse# is 12 hooked with the Cigar lighter. For 2004
Last edited by amdriven2liv; Jan 24, 2010 at 06:13 PM. Reason: fuse#
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From: Jacksonville, Florida
Interesting. He said his cig lighter has not been working. I just got done testing all the fuses with a multi-meter, and only found bad ones on the trailer lights, and trailer battery charging. Headed out to check fuse number 12. Thanks for the info.
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Joined: Nov 2005
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From: Jacksonville, Florida
That was the ticket. Fuse number 12 was popped, and the scanner worked well after replacing that.
I noticed his truck was turning over slow, and his battery voltage was only at 10.2 volts. It jumped up to 13.4 after cranking it so I assume he has a bad battery since the alternator output was fine.
His FICM looked fine as far as voltage goes, so I am guessing that is not his problem. Said when it is cold, he has no power at all, can push the pedal to the floor and the truck wont go. I asked him to check the color of the smoke next time it does it. It did have current codes of p0275 and p0200 so I will search the forums and see what I can find for those.
I noticed his truck was turning over slow, and his battery voltage was only at 10.2 volts. It jumped up to 13.4 after cranking it so I assume he has a bad battery since the alternator output was fine.
His FICM looked fine as far as voltage goes, so I am guessing that is not his problem. Said when it is cold, he has no power at all, can push the pedal to the floor and the truck wont go. I asked him to check the color of the smoke next time it does it. It did have current codes of p0275 and p0200 so I will search the forums and see what I can find for those.
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