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-   -   yay-passed inspection- now what do these numbers mean?! (http://www.peachparts.com/shopforum/tech-help/100635-yay-passed-inspection-now-what-do-these-numbers-mean.html)

chazola 08-02-2004 07:42 PM

yay-passed inspection- now what do these numbers mean?!
 
sorry, just had to share as I was biting my nails all day waiting for my PA inspection test result.

the results were:

CO 0.06 (limit 1.10)
HC 75 (limit 275)
NO 441 (limit 3600)
dilution 8.1%

anyone care to enlighten me on the meanings of these numbers and what they say (if anything much) about the car?

cheers

manny 08-02-2004 09:39 PM

It means, simply put, your engine, emission controls & catalytic converter are working really well. ;)
To simplify:
CO is directly related to fuel/air mixture, HC readings ( if high ) usually indicate ignition or oil-burning problems, NOX is directly related to the EGR ( exhaust gas recirculation ) valve on an engine. ;)
As I said above, these are as close as I can come to translating your readings into layman's terms.


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