i have a 1991 plymouth laser RS, aka ecplise aka talon, it is automatic and stock turbo, its in great cond. no probs, only thing is after having it parked for a bit it wont go in reverse?!!!! it is a automatic, i put it in R and hit the gas and nothing!!!! wut could it be? the whole car has less then 100k miles on it, someone, any one got any advice?