Guest jimmyush Posted August 10, 2013 Share Posted August 10, 2013 hi all my escort xr3i MFI cab has failed the mot on CO emissions. its got a stage 3 head and kent fast road cam, this was done last year at power engineering. this is the first mot since that. CO limit is 3.5 and mine is 4.6 so can this be adjusted on the fuel mixture screw ontop of the airbox?? or maybe some of the emissions treatment they sell. bit pricy but they say it does work? i have just acquired a CO tester like at the garage which i have for the next couple of weeks. so anyhelp would be great! Quote Link to comment Share on other sites More sharing options...
Guest martinkettering Posted August 10, 2013 Share Posted August 10, 2013 Change/clean air filter ,and adjust mixture via screw till you get emissions low enough Quote Link to comment Share on other sites More sharing options...
Paul Grainger Posted August 18, 2013 Share Posted August 18, 2013 Just adjust the mixture, Use your new tester and adjust it to 1.5% co Cheers Quote Link to comment Share on other sites More sharing options...
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