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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

how do I check for trouble codes

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Old Sep 1, 2005 | 07:21 AM
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how do I check for trouble codes

I have a 89 f250 how do I check for codes?
 
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Old Sep 1, 2005 | 07:47 AM
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Jumper two connectors in this diagram, turn the key to "on" but do not start the truck, and count blinks from your check engine light:

http://www.midimonkey.com/~frederic/f350/eec-codes.html
 
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Old Sep 1, 2005 | 08:28 AM
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From: Easton,Ks
If that url is out look at this thread:

https://www.ford-trucks.com/forums/s...d.php?t=407416
 
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Old Sep 1, 2005 | 10:39 AM
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Are those codes good for 88 as well? I have a 88 302.
 
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Old Sep 1, 2005 | 11:07 AM
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I tried the method with the test light but I didnt get any light does the engine have to be running. I tried it with the key off and on. When I went to the part store his scanner kept saying to hook up DTC maybe that why my truck runns like it does. i am going to try jumping it the way Frederic said and see what happens
 
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Old Sep 1, 2005 | 12:10 PM
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From: Easton,Ks
Originally Posted by rews2
Are those codes good for 88 as well? I have a 88 302.
Yes they are and you can check this out also.

http://www.troublecodes.net/Ford/
 
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Old Sep 1, 2005 | 05:53 PM
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Originally Posted by subford
Yes they are and you can check this out also.

http://www.troublecodes.net/Ford/
I tried the link but site had expired, do you have another link.
 
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Old Sep 1, 2005 | 07:46 PM
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From: Easton,Ks
I just clicked in your post and it worked.
I think when your computer says the site had expired it has to do with your computer browser and not the site.
Try again.
 
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Old Sep 2, 2005 | 10:04 AM
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The truck did have some codes, but is there a specfic patter in how they are displayed. are these 2 digit codes.
 
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Old Sep 2, 2005 | 11:49 AM
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http://www.thorssell.net/hbook/eectest.html

this might be helpful in deciphering the codes
 
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Old Sep 2, 2005 | 12:38 PM
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Originally Posted by rews2
I tried the link but site had expired, do you have another link.
copy and paste link into your address line, than hit return.
 
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Old Sep 2, 2005 | 02:20 PM
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Originally Posted by quicklook2
copy and paste link into your address line, than hit return.
Got it. I tried that and it worked. Thanks.
 
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Old Sep 3, 2005 | 11:31 AM
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Originally Posted by oldsw-31
The truck did have some codes, but is there a specfic patter in how they are displayed. are these 2 digit codes.
Yes, they are.
 
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