Originally Posted by bullet

Hi just had my mechanic change front rotors and pads ( track rotors and pads these are sensational ). I had him check why my car hesitates at low to med rpms and just before it hits boost,he cleaned throttle box checked and cleaned the MAF and other parts.he seems to think it could be a faulty MAF or when I had the timing belt changed the mechanic who did the job didn’t line everything up properly (different mechanic to this one) and the timing is out slightly.
What do you think about it
Cheers.