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Well I got my MIL's on today and rested everything. CEL came on with only one code, P0401, somthing related to the EGR. Now a short history on whats been going on with my car, the car is missfiring badly and getting worse and worse everyday. I have no low end power with out the bucking and all that. I have magnecores with autolites. I have switched the magnecores to FMS wires and still had missfiring. Changed the plugs to newer autolites in hopes of having 2-3 weeks of no missfiring but still the car was bad with missfire. New coil pack, still missfiring. I really dont know anymore. I dont know if its the plugs not liking the magnecores since magnecores are picky with what combo plugs are used or what. Tony has had the same problem but he switched to Denso Iridium plugs and now he sais everthing is smooth as silk. I however canot spend $78 on Denso's to find out the missfire is still there, I have really ran outa ideas to diagnose this issue now. PLus I have this P0401 code that prolly means I need a new EGR..anyone wanna shed some light, give me good news? thanks  
#0009
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Oh, fer crissakes...
You've got 8,558 posts on this boards and you have no clue on how to address misfires or a P0401 code???
What the heck did you use all that bandwidth on???
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!
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Originally posted by projectSHO89:
Oh, fer crissakes...
You've got 8,558 posts on this boards and you have no clue on how to address misfires or a P0401 code???
What the heck did you use all that bandwidth on???
Steve
umm actually i know how to address my missfires, if you read above I have almost done all I can to try to isolate why or what is causing this missfire. As I said above im outa ideas which is why im asking if I should check somthing else..If you have somthing useful to share then please do, if not then dont bother posting how im a waste of internet space..
#0009
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Originally posted by Goonz SVT:
PLus I have this P0401 code that prolly means I need a new EGR
I don't remember anyone ever actually needing an EGR valve.
Clean the freaking intakes!
Make sure the IMRC works! Both sides!
Are your cats good?
Fuel problems can cause misses too. Injectors clean? Fuel pressure good?
How do the cylinders look inside?
"Those who cannot remember the past are condemned to repeat it" -George Santayana
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Originally posted by Rogerm60:
Originally posted by Goonz SVT:
PLus I have this P0401 code that prolly means I need a new EGR
I don't remember anyone ever actually needing an EGR valve.
Clean the freaking intakes!
Make sure the IMRC works! Both sides!
Are your cats good?
Fuel problems can cause misses too. Injectors clean? Fuel pressure good?
How do the cylinders look inside?
he just did a intake rebuild .... 
i would get in there and test the egr valve, apply vacuum to the dpfe sensor and if it doesn't cause the idle to stumble then the egr valve needs to be replaced. I would also check all the connections to your headers for the egr and check the hose to and from the dpfe sensor
also if you have a hesitation or bucking off idle but the car idles great and you have good upper rpm power verify that the secondaries are not open at idle as this will cause this problem
- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family
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My secondaries are fine, I feel them open each time attempt to get on it. I'll try to clean the EGR with a wire brush and check all its connections..
#0009
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Originally posted by Rogerm60:
Originally posted by Goonz SVT:
PLus I have this P0401 code that prolly means I need a new EGR
I don't remember anyone ever actually needing an EGR valve.
Clean the freaking intakes!
He just did recently.
Make sure the IMRC works! Both sides!
Are your cats good?
Probably not, as he just had headers installed. Read much??
Fuel problems can cause misses too. Injectors clean? Fuel pressure good?
How do the cylinders look inside?
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Originally posted by Mid Life Crisis:
Originally posted by Rogerm60:
Originally posted by Goonz SVT:
PLus I have this P0401 code that prolly means I need a new EGR
I don't remember anyone ever actually needing an EGR valve.
Clean the freaking intakes!
He just did recently.
Make sure the IMRC works! Both sides!
Are your cats good?
Probably not, as he just had headers installed. Read much??
Fuel problems can cause misses too. Injectors clean? Fuel pressure good?
How do the cylinders look inside?
I have headers but with MILs
#0009
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Goonz, I remember you posted about the wires(ground, not plug) to the coil pack being connected. Did you try to sand them down a bit? Mine were kinda cruddy when I did mine. You may also want to trace where the wires go to, maybe they've got a little short somewhere? Hope you find it soon, good luck.
Scott
Mabe I WILL be Phil.
1999 Contour SVT, Tropic Green
BAT kit, K&N RU-3530+MAF, Magnecore 8.5mm, some audio goodies, Hightowers, Knauberized, tatoo by Parkedcar.
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thanks scott, I will go check. I know while elky and I were doing my serp. belt, we found this random ground wire wedged in there along the tracks of the serp belt, the wire was completely eaten up. Now I hafta cut and splice and make a proper ground, even though I have no idea where it goes. It comes out the firewall to the left of the coilpack..its like the only wire comming out.
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