thomas94 Posted August 18, 2014 Report Share Posted August 18, 2014 Hey people. Can anyone tell me what phenomenon is included in the emission test of a car? Link to comment Share on other sites More sharing options...
Barry Posted April 10, 2016 Report Share Posted April 10, 2016 The emissions test tests your exhaust gas for carbon monoxide, nitrogen oxide, hydrocarbons and particulates. Aside from being an environmental thing, it's a good indicator of the condition of your engine and how it's running. If the fuel/air mixture is wrong, usually caused by a dirty/faulty sensor somewhere causing over or underfuelling. On older cars it was used to set up the mixture on carburettors. Link to comment Share on other sites More sharing options...
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