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Failed Emissions :( Unknown Fault Code, Can You Help?

FuelJetA

New Member
Joined
January 4, 2004
Messages
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City, State
Oxford, PA
Year, Model & Trim Level
1996 XLT
Hi there!

My 96 V6 Exploder 4x4 just failed Penna emissions. The emissions guy gave the fault code as:

DTC P1409

I have an EEC-IV decoder, but that will not help out here, of course.

Can anybody tell me what might be wrong, so I don't have to spend the big $$$ at a shop for some probably-easy-repair?

Any and all help is appreciated. I searched the forums, but could not find anything pertinent.

Thank you in advance!!
Shanon :confused:
 



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Hmmph. After searching the net extensively, I gave up and came here. Then, I kept looking....found a little something:

On www.fordf150.net :
P1409? EGR Vacuum Regulator circuit malfunction
P1409? Electronic Vacuum Regulator Control circuit fault

I need to know how EEC-Vs get their codes cleared, i.e. remove battery leads, step on brake for x amount of time. Also, what is the drive time/drive cycle? In other words, how many miles do I have to drive it before the emissions guys can accept it? It's like 3x 30 mph or drive it 300 miles or some such thing for this code.

Any thoughts?
 






Shanon, simply remove the negative battery cable for 15 minutes. That will clear the code. (If it comes back, then look at replacing the EVR). As long as the MIL stays off, you should be OK to pass inspection.
 






after you reset your codes, your computer needs to "relearn" its settings, in which time the computer will report "not ready" if you try to read codes, and most states will fail you right away, as soon as they read not ready. so you should drive your car for at least a week before brining it in to testing. also, autozone can read your codes for free and tell you whats wrong.
 






jgilbs said:
after you reset your codes, your computer needs to "relearn" its settings, in which time the computer will report "not ready" if you try to read codes, and most states will fail you right away, as soon as they read not ready. so you should drive your car for at least a week before brining it in to testing. also, autozone can read your codes for free and tell you whats wrong.


Thanks a lot guys. I really appreciate the input. I will see what's going on with it and post the results.

Shanon :thumbsup:
 






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