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ok guys, need help with some codes

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Old Jan 28, 2004 | 06:24 PM
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DshiftFF's Avatar
DshiftFF
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Trailering
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Question ok guys, need help with some codes

The '99 work van with the 5.4L Has the SES light on, and is really running terrible. Bucking when the T/C locks and just runs rough at all other times. Pulled some codes and they are:

PO402 Exhaust Gas Recurculation flow excessive detected
PO305 Fault Cylynder F- Misfire Detected (cylynder 5)
P1000Monitor checks not complete, More driving needed.

as far as the 402 think it needs a new EGR valve? wheres this on the motor?

then the 305, think its a coil or plug problem? these are a mother to get to in a van I recall.

The p1000 im not too concerned about, Just suprised to see, its been doing alot of driving

any insight would be appreciated. cant afford the stealer right now... thanks.....
 
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Old Jan 28, 2004 | 07:08 PM
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i would inspect the COP in cylinder 5, then reset the computer and see if it comes back.

Misfire codes are either the COP in the 5.4 or a plug.

Check for vacume leaks also.
 
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Old Jan 28, 2004 | 07:12 PM
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DshiftFF
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Originally posted by JustinH
i would inspect the COP in cylinder 5, then reset the computer and see if it comes back.

Misfire codes are either the COP in the 5.4 or a plug.

Check for vacume leaks also.
sorry, Im usually a Diesel guy, Im not familiar with what a COP is. is that the individual coil over each plug? also any idea how difficult getting to the #5 is on a e series? thanks,
 
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Old Jan 28, 2004 | 07:15 PM
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JustinH
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yeah, coil on plug. Ford uses that on the 5.4 in lieu of plug wires.

Not too tough of a job.
 
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