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P0420 from my Berk Metallic HFCs

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Old 04-09-2009, 02:48 PM
  #81  
jason350z
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for the last week or so i had the cell light on, didn't bother getting rid off it, then today it turned off. i didn't do anything to the cats.
did this happen to anyone else????????
Old 04-09-2009, 04:43 PM
  #82  
NY350zG
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Originally Posted by IsDatIt
so whats the right way to do it?
Right way... No CEL'S.. If your desperate for power.. F*** it. But I'm in no rush and in no way compulsive for power.. So i'll wait it out.
Old 04-09-2009, 04:51 PM
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Originally Posted by NY350zG
Right way... No CEL'S.. If your desperate for power.. F*** it. But I'm in no rush and in no way compulsive for power.. So i'll wait it out.
You Want Power?
Get a Turbo!

Originally Posted by NY350zG
Right way... No CEL'S..
High Flow Cats+Brillo Pad=No SES Light for 1700 miles and counting!

Im Not The Only One...So Im Glad Your going to wait till.................................................... Whenever someone does it the "RIGHT" way instead of just buying some $.99 cent Brillo Pad and stuffing it in between the sensor and non-foulers,and swallowing your pride for one sacrafice.
Old 04-09-2009, 04:53 PM
  #84  
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Originally Posted by jason350z
for the last week or so i had the cell light on, didn't bother getting rid off it, then today it turned off. i didn't do anything to the cats.
did this happen to anyone else????????

that's a first.

You Should have checked the code.

Maybe it wasn't your cats
Old 04-09-2009, 05:49 PM
  #85  
NY350zG
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[QUOTE=IsDatIt;7186677]You Want Power?
Get a Turbo!

Turbos for the Z are DOUGH $$$$$$.. I was planning on just full bolt on's.

I'll leave the Power to My S14
Old 04-19-2009, 10:01 PM
  #86  
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UPDATE: I've been had a cel light on for long time. After reading this thread, I pumped a full take of Shell gas a week ago. Today, I reached almost empty tank and guess what, my CEL LIGHT is GONE! I went back to Shell and pumped another tank of 93. I will update if I get CEL light again. I guess no more Chevron...
Old 04-20-2009, 04:33 AM
  #87  
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My light has been off again since I been back with Shell. I noticed the Chevron stations show Ethanol 10%, and the Shell's do not. I wonder if it's because of that?

This time I put the wool in my non-foulers as well.
Old 04-20-2009, 08:39 AM
  #88  
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Originally Posted by SOLO-350Z
My light has been off again since I been back with Shell. I noticed the Chevron stations show Ethanol 10%, and the Shell's do not. I wonder if it's because of that?

This time I put the wool in my non-foulers as well.
That is incorrect.. Every gas station states "May contain up to 10% ethanol" I find that shell gas is just the purest and use the least amount of ethanol. V-Power all day for me

Now there gas is Nitrogen enriched as well another cleaning agent
Old 04-20-2009, 09:42 AM
  #89  
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Originally Posted by NY350zG
That is incorrect.. Every gas station states "May contain up to 10% ethanol" I find that shell gas is just the purest and use the least amount of ethanol. V-Power all day for me

Now there gas is Nitrogen enriched as well another cleaning agent
This is true for Florida - I just avoid those everytime Im there. In Texas it tells you specifically what/if any ethanol content it has.

Solo - I agree with your reasoning its the crappy ethanol blend. Just another reason to avoid the next big scam.Ethanol.
Old 04-20-2009, 09:47 AM
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lol, i love how a little light can bother so many people when all intents and purposes, it does nothing to effect performance of the cars some people are wanting to sell their cars because of this little light, lulz.
Old 04-20-2009, 09:54 AM
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NY350zG
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Originally Posted by Nexx
lol, i love how a little light can bother so many people when all intents and purposes, it does nothing to effect performance of the cars some people are wanting to sell their cars because of this little light, lulz.
I understand where your comming from.. but It's always nice to have a indicator when something really is wrong.. but DEEFFF NOT a reason to sell the car.. wtf?
Old 04-20-2009, 09:57 AM
  #92  
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Originally Posted by 07_350z_JP
This is true for Florida - I just avoid those everytime Im there. In Texas it tells you specifically what/if any ethanol content it has.

Solo - I agree with your reasoning its the crappy ethanol blend. Just another reason to avoid the next big scam.Ethanol.
Amen to that..
Mother F!@#$* OPEC
Old 04-20-2009, 10:19 AM
  #93  
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Originally Posted by 07_350z_JP
This is true for Florida - I just avoid those everytime Im there. In Texas it tells you specifically what/if any ethanol content it has.

Solo - I agree with your reasoning its the crappy ethanol blend. Just another reason to avoid the next big scam.Ethanol.
most places say "Could contain up to 10% enthanol" so i guess its a crap shoot?
Old 04-20-2009, 11:56 AM
  #94  
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Originally Posted by NY350zG
That is incorrect.. Every gas station states "May contain up to 10% ethanol" I find that shell gas is just the purest and use the least amount of ethanol. V-Power all day for me

Now there gas is Nitrogen enriched as well another cleaning agent
It is true at all the Shell gas stations around my house. They do not say 10% ethanol like the Chevrons do.
Old 04-20-2009, 11:57 AM
  #95  
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Originally Posted by Nexx
lol, i love how a little light can bother so many people when all intents and purposes, it does nothing to effect performance of the cars some people are wanting to sell their cars because of this little light, lulz.
Actually when my cars light comes on it does effect the performance. It doesn't run as good and I get crappier gas mileage.
Old 04-20-2009, 01:09 PM
  #96  
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Originally Posted by SOLO-350Z
I don't understand why you can't comprehend this. You wouldn't expect it to pass emissions when it will with HFCs from Berk, but when you are cleaning the gases less than you were stock and it is causing the readings to no longer be in the tolerable range the ECU has set, then it WILL throw a code.

There will NEVER be one when you mess with HFCs or Downpipes. Till you understand that messing with the exhaust and removing the cats or putting higher flow ones that clean less, you can't get away from this.
is there any HFC or test pipe that won't throw the code? better yet, will a Technosquare reflash or AccessPORT remedy this?

thanks.

Last edited by illjim69; 04-20-2009 at 01:14 PM.
Old 04-20-2009, 01:41 PM
  #97  
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There is no such thing as having Test Pipes that will not cause the light to come on. HFC you got a better chance of it not happening.

UPREV said they can fix it, but unsure on the others.
Old 04-20-2009, 01:47 PM
  #98  
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Originally Posted by SOLO-350Z
Actually when my cars light comes on it does effect the performance. It doesn't run as good and I get crappier gas mileage.
ITs all in your head buddy. Code 420 doesnt affect performance in ANY car. It is just an indicator that shows if the CAT is working properly or not.
Old 04-20-2009, 02:44 PM
  #99  
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Originally Posted by 0jiggy0
ITs all in your head buddy. Code 420 doesnt affect performance in ANY car. It is just an indicator that shows if the CAT is working properly or not.
Old 04-20-2009, 02:56 PM
  #100  
NY350zG
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+ another 1.... If your engines running right.. it shouldn't affect your proformance


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