2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

I just failed smog and I need help.

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Old 04-15-11 | 08:07 PM
  #1  
Your mom loves S5's's Avatar
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From: Suisun City
I just failed smog and I need help.

Okay, I just had a fight in with the California emissions and lost

15mph
RPM: 1828
%CO2: 13.8
%O: 1.0
HC: 83 MAX, 520 MEAS
CO: 0.53 MAX, 0.80 MEAS
NO: 559 MAX, 377 MEAS

25mph
RPM: 1997
%CO2: 13.7
%O: 1.0
HC: 65 MAX, 397 MEAS
CO: 0.44 MAX, 0.91 MEAS
NO: 516 MAX, 306 MEAS


Any ideas on how I can get my numbers down?
Old 04-15-11 | 08:29 PM
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HAILERS2's Avatar
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Joined: Jul 2008
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From: FORT WORTH TEXAS
Buy a new aftermarket converter and have someone put it on the car.

Might make sure your airpump and ACV are working right by reading the FUEL AND EMISSIONS section of your local FSM. That would help find out if you have a problem on your ????? what car, year?
Old 04-15-11 | 09:00 PM
  #3  
j9fd3s's Avatar
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From: https://www2.mazda.com/en/100th/
+1. check the air control valve first.
Old 04-15-11 | 09:50 PM
  #4  
Your mom loves S5's's Avatar
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From: Suisun City
Sorry, it's a 90 GXL, thanks for the info.
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