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Author
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Topic: smog help
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96cobra/svt
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Member # 4240
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posted
 
 
my car fail smog because my NO(ppm) # was high
they told me it was my cats but I try two diferent set of stock h-pipes and I still didn't pass smog what else could be wrong?
Posts: 200 | From: NAPA | Registered: Mar 2004
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
What engine mods or bolt ons have you done?...
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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96cobra/svt
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Member # 4240
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posted
just pulleys,headers,k&n filter,flows
Posts: 200 | From: NAPA | Registered: Mar 2004
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88bird
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Member # 1424
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posted
NOx is due to high combustion temps, you need to check the function of your egr system to see if its working properly.
Posts: 149 | From: Citrus Heights | Registered: Jun 2002
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Jimbo
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Member # 1456
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posted
quote:
Originally posted by 88bird:
NOx is due to high combustion temps, you need to check the function of your egr system to see if its working properly.
Yep!
Make sure, the EGR passages are clear, the EGR valve is opening when vaccum is applied, and the computer is opening the vaccum control switch. The EGR's only job is to reduce NOx, make sure that system is working properly!
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1965 Mustang Coupe
EFI, 302ci, T-5, 3.70's.
Click for My Mustang Pics
Posts: 352 | From: Castro Valley,CA | Registered: Jun 2002
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96cobra/svt
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Member # 4240
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posted
I think the egr is working fine because I suck on it and makes the car act funny but how do I check that the vaccum is coming on whene is supost to.
what else can I check
Posts: 200 | From: NAPA | Registered: Mar 2004
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SoloSS
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Member # 4380
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posted
quote:
Originally posted by RAMIREZ707:
my car fail smog because my NO(ppm) # was high
they told me it was my cats but I try two diferent set of stock h-pipes and I still didn't pass smog what else could be wrong?
Going to the wrong people... ![[Wink]](wink.gif)
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*** Elite F-Bodies ***
**1999 Black Camaro SuperSport** ~Stock
**1999 Black Camaro SuperSport** ~Not Stock
No it's not a typo...I have 2
Posts: 12 | From: San Jose | Registered: Apr 2004
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