just failed "idle" emmissions test...too much CO2 - Saab Performance Bulletin Board - Saabnet.com
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just failed "idle" emmissions test...too much CO2
Posted by johnb (more from johnb) on Fri, 19 Jan 2007 15:07:49
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I am running a stage 3/4 SQR ecu in a 2002 Viggen with JSP intercooler and 3" turbo back exhaust.
In Ontartio Canada we have a 2525 RPM test and a "curb idle" test
everything passed with flying colours on the 2525 rpm test however the idle test had seven times the allowable maximum Co2 level (hydrocarbons and NO were fine.
My prvious 95 Saab ())SE had a similar sqr ecu in it and passed the test many times.
The tester suggestyed my throttle body might be gummed up.
anyone failed a similar test and have any ideas as to what is likely wrong.
thanks
posted by 74.102.47...
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