89na afc reads 3.8 with car off on n1 and n2 is not used. Throttle reads 0.0xx and 4.3 at wot. The 3.8 is air flow sensor. when Car is on, the sensors read 2.8 for airflow and the throttle in another setting besides sensor check reads 0 when im actually steping on it untill about the fith of the way. Any one who has expierience with afc tuning please help.