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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

Can't download codes

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Old Apr 3, 2019 | 10:15 PM
  #1  
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albiet
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Can't download codes

93 F250 2wd 460 f.i eng E4OD trans. Truck was running good, parked it for 2 weeks and the battery went dead. Charged battery and started up truck, now have CEL on , black smoke out of exhaust and tranny takes a couple of seconds to engage. Bought OBD1scanner to download codes but scanner wouldn't read anything. Tried paper clip trick to count flashes, still nothing. Checked the ground connection for scanner, reads zero to ground . Any ideas on how to retrieve codes or what may have happened?
 
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Old Apr 4, 2019 | 09:55 AM
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ZombieF150
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computer maybe toast. do you get ANY codes?

When my computer went it had the same symptoms as yours. billowing black smoke, surging idle and just general doggedness.

pull the computer open it up and look for leaking/corroded capacitors.

My computer took a dive while I was driving. Wasn't fun.
 
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Old Apr 4, 2019 | 08:08 PM
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albiet
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Thank you

Originally Posted by ZombieF150
computer maybe toast. do you get ANY codes?

When my computer went it had the same symptoms as yours. billowing black smoke, surging idle and just general doggedness.

pull the computer open it up and look for leaking/corroded capacitors.

My computer took a dive while I was driving. Wasn't fun.
Zombie, you hit it on the head, pulled computer and opened it up and bingo there was a corroded capacitor with one leg broken off. Thank you very much
 
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Old Apr 5, 2019 | 01:15 AM
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ZombieF150
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Glad it helped. Get a new computer/ repair the old one and you will be good to go.
 
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