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No codes?

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Old Sep 9, 2023 | 06:42 PM
  #1  
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No codes?

1994 F-250 - 5.8 Auto, 2 wheel drive Chasing what seems to be a fuel problem and have been reading here and most advice is to start with getting the codes. I don't have an OBD I reader so finally got to an O'Reiliy's. The kid said he got no signal at all so got no codes. Is that a common problem? Should I go to a different store and try again? I've been impressed with the local NAPA, more out of the way for me - they might do better?
 
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Old Sep 9, 2023 | 07:59 PM
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Originally Posted by TNBob
1994 F-250 - 5.8 Auto, 2 wheel drive Chasing what seems to be a fuel problem and have been reading here and most advice is to start with getting the codes. I don't have an OBD I reader so finally got to an O'Reiliy's. The kid said he got no signal at all so got no codes. Is that a common problem? Should I go to a different store and try again? I've been impressed with the local NAPA, more out of the way for me - they might do better?
Does the truck currently run? I would try again but sounds like you either have a broken or loose wire to test port or a dead/dying ECM. The ECM seems unlikely so I'd check wires and make sure you don't have a ton of corrosion in the plug.
 
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Old Sep 9, 2023 | 08:11 PM
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I forgot to ask, what are your symptoms? Do they do it hot, cold, or both? Does it happen in certain conditions?
 
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Old Sep 9, 2023 | 10:35 PM
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Try pulling codes using a paperclip. Here's how.
https://www.ford-trucks.com/forums/1...aper-clip.html
 
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Old Sep 10, 2023 | 04:52 AM
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Thanks OBSessions. I started a separate thread called "acting like a fuel problem" if you want to check it out.
 
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Old Sep 10, 2023 | 04:53 AM
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Thanks Prototype - I'll check that out.
 
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