Cadillac Repair: 1996 cadillac devill, cadillac devill, cadillac

Question
my car is backfired n i just had a tune up done plus my car don't started instantly i got to hold my feet on the gas for 2 mins and now my car don't move

Answer
Did you have any of these problems BEFORE the tune-up ?.

Who did the tune-up and what was replaced on the vehicle when this tune-up was done ?.


IS or HAS the CHECK ENGINE light on the dash ever illuminated prior to or after the tune-up ?.