CRZYPWR

Will not working MAP sensor affect my performance. I know that dyno-tunning could not be done %100 without it. It just wont work. They replaced it for a new sensor, still same problem. So Would You suggest fixing the MAP sensor and re-tune it again ?
Also.. MAF sensor. I have a Granatelli MAF. If I replace stock MAF with aftermarket one.. does that need to be tuned as well ?

Thanks