yeah well its on a auto diagnose which i thought was quite good the only thing it is fine on fast idle test soon as it idles at 1000rpm percentage just keeps going up also get poffs of back smoke also on and off throttle on the road its quite harsh so this is why i think its a airflow metre but cant be sure and its 175 quid i have replaced neer on every sensor apart from airflow metre and i want to cure it by sunday for national day .