Car backfires and loses power, engine light on and advance trak signal comes on

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The suv is driving really rough . The car starts backfiring and bucking . Step on gas and it doesn't go anywhere . loss of power . Wrench sign comes on dash also the advance trak signal stays lit . Happened once in November and twice in december and january without the backfiring and bucking . Started again this week with all problems and now the engine light is on . Pay