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1999 Ford F250 5.4 vin: 1FTNF20L3XEA26082 Runs bad, scanner…

1999 Ford F250 5.4 vin...
1999 Ford F250 5.4 vin: 1FTNF20L3XEA26082 Runs bad, scanner shows misfires 3,4,5,&6...in the memory. Contribution test shows 4057 misfires on #4, 4057misfires on#5, and 2017 misfires on #6....if I unplug cylinder #1 that shows to be running correctly... then NO misfires show in the misfire counter. The misfires # never changes for #4, #5 & #6. Do you think this could be a computer issue?
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Answered in 8 minutes by:
3/6/2018
Mike S.
Mike S., ASE Certified Technician
Category: Ford
Satisfied Customers: 8,101
Experience: ASE Certified Master Technician
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Hi, I am Mike, welcome. I'm reviewing your question.

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Swap the coil from 3 to 2 and see if that misfire moves or not. If not, put it back and try the swap on 1, 4, 5 and 6, too.

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Customer reply replied 4 months ago
ok, we did that and it did not follow....we sent to dealer...believe it to be a computer issue. Thank you for your time and patience

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Mike S.
Mike S., ASE Certified Technician
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