had a lil prblem yesterday, I was cruising along at 65k's using sports shift I was in third went to change to fourth when I did the alternator light came on I lost oil pressure the engine turned off, I pulled over took it out of performance mode started the car and all was fine, it was 39 degrees here yesterday dont know if that effected it. cant get hold of my tuner he is off racing, mods to car are in my sig. should I be worried