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P0420 from my Berk Metallic HFCs

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Old 03-25-2009, 06:52 AM
  #21  
WalkerT
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The berks have non foulers already installed. I filled the opening with the steel wool and I even went back and added more after I got the light again and it did not help.
Old 03-25-2009, 12:45 PM
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Originally Posted by SOLO-350Z
I will find a way to resolve this one way or another.
make sure to post how you did it when you figure it out, thanks

on a different note, didn't uprev use your car for some testing / developing? you can't turn it off with osiris? maybe talk to uprev see if they can help come up with a solution...
Old 03-25-2009, 01:28 PM
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SOLO-350Z
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I emailed them two days ago about it and have not heard anything. So I have no idea.
Old 03-25-2009, 10:55 PM
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the way i see it is that with HFC u shouldn't have to go through the trouble of..brillo or what ever. or that why i got my berk HFC. if that is the case mind as well get TP and get nofoulers.
Old 03-26-2009, 04:28 AM
  #25  
SOLO-350Z
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Well, it turned back on. So now for the next step.
Old 03-26-2009, 04:37 AM
  #26  
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how long did it take to turn on again after u reset the ecu
Old 03-26-2009, 04:49 AM
  #27  
SOLO-350Z
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2 days, and about 20 miles.
Old 03-26-2009, 09:43 AM
  #28  
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Originally Posted by SOLO-350Z
Well, it turned back on. So now for the next step.
Im putting mine on tomorrow... I hope I don't have to deal with this crap. Im going to stuff the **** out of the bung with steel wool and hope for the best. If I get any cat related codes Im getting test pipes.
Old 03-26-2009, 11:28 AM
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Originally Posted by SOLO-350Z
2 days, and about 20 miles.
nnn, thats too soon. mine came on once i reseted the icu and i hasn't come on it been maybe 200.
Old 03-26-2009, 11:40 AM
  #30  
SOLO-350Z
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Well it comes on after so many cycles. I drive 5 miles to work and home, and a few days is all it took for that.
Old 03-26-2009, 01:01 PM
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Originally Posted by SOLO-350Z
So now for the next step.
what exactly is that?
Old 03-26-2009, 01:27 PM
  #32  
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BG44k and Shell gas and see what happens. That doesn't help, then stuffing it with Steel wool.
Old 03-26-2009, 02:37 PM
  #33  
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i thought you already stuffed it with steel wool? did uprev ever get back to you?
Old 03-26-2009, 03:33 PM
  #34  
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UPREV did, and they said yes it can be done. But when that happens no idea. No steel wool yet.
Old 03-26-2009, 07:37 PM
  #35  
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Do you warm up your car in the morning? Or just start and go?
Old 03-27-2009, 02:14 AM
  #36  
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I would warm mine up and no difference.
Old 03-27-2009, 04:16 AM
  #37  
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I start and go but crawling till it warms up really. It doesn't make a difference it seems.
Old 03-28-2009, 02:38 PM
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Update! I just got done driving 110 miles on this tank with Sea-Foam in the tank and back to Shell V-Power Gas. The light did not come on, and the car actually ran better! It came on last time after 20 miles or so. So it was either the Chevron gas, or the car needed some fuel cleaner ran through it to keep it from throwing the light on again. I will keep you guys posted.
Old 03-30-2009, 07:51 AM
  #39  
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was your car tuned after you got the hi flow cats? or did you get a tune, then add the cats and didn't have a chance to retune yet?
Old 03-30-2009, 07:52 AM
  #40  
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Yes my car was tuned after the HFCs. Car drove fine for around 3k of miles too no lights, etc.

Still no lights as of today.


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