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-   -   930 fails emission test (http://forums.pelicanparts.com/porsche-911-technical-forum/272629-930-fails-emission-test.html)

dvkk 03-25-2006 11:52 PM
Re: 930 fails emission test
 
Quote:
Originally posted by Kirk911SC

HC ppm - Limit: 300, Reading: 778 - FAIL
CO% - Limit: 1.5, Reading: 0.19
You might want to adjust your idle mixture. The reading of .19% without a CAT is too lean. When this lean, you will get the odd misfire, sending raw fuel out the exhaust, causing the super high 778 ppm of HC you got.

Plugging in the O2 sensor will also help.

Kirk911SC 03-26-2006 04:36 AM
I'll be adjusting the mixture today. The warm idle is a bit rough, with the odd spitting noise, and is a bit low. Car also pops and crackles quite a bit on throttle off deceleration.

Otherwise is runs great.

Kirk


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