replaced alternator and battery car will run fine for a few mins then lose all power when it does do what its doing u can push throttle in park and accelerates fine but then u put in reverse or drive still running just want throttle up put it on friends computer but didnt read any codes it was not a nissan computer though he said something about take it to nissan dealer and have them flash the computer just wondering the next step i no a dealer trip will be expensive any ideas or something i could do myself or leave to experts thanx
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