my 1997 chev. camero the engine is turning off whemn braking at lights or stops signs the car turns right back on . only happens when car is warned up and the amp. for batt. goes down, the oil pressure goes down, then the cars rpms? (standard ) goes up to 2 when stoped then the car shutts off. starts right back up . had it checked at auto zone has new batt, and alternator and cdomputer is stating code p0102 which is the mass air flow input cahn the maf sensor cause these problems and if so can a noviceist change the sensor out. if any other suggestion to problem with the car please inform me   thanks for your time   student on a budget   erika martinez

Optional Information:
1997 Chevrolet camero v 6

Already Tried:
auto zone and friends