Timmyirl
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Hi, I have a Citroen c5 2002 1749cc petrol, I have put her through the nct (mot) and it has failed on emissions twice! Here are the readings Low idle 720rpm Co 0.47 vol% hc 190ppm High idle lambda : 1.02, 2910rpm, CO 0.56 vol%, HC 119ppm! Any help is appreciated?