5ePA Posted April 10, 2015 Posted April 10, 2015 Hi lads my glanza failed NCT 2nyt on low idle emissions the CO is reading 3.97 vol% and should be 0.50% or under. Ive a standard exhaust on it with 2 cats in it aswell and I dunno where to start now :/ any suggestions? Quote
glanzadude Posted April 11, 2015 Posted April 11, 2015 My car was the same is there a crack in the exhaust manifold? I was told by the tester drive the sxxt out off the car right before the test and make sure to keep the car running till the tester brings it in for the test Quote
5e colin Posted April 11, 2015 Posted April 11, 2015 as above but if thats ok i would >>>>> check if tps is ok and if your 02 sensor is still up to parr also ecu temp sensor controlles the cold/hot start ( feuling ) Quote
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