was driving down the road my 1992 geo tracker back fired cut off after a little bit started again to only go a quarter mile cut off again wouldnt start until the next day finally got it started went three miles came the went up the street it cut off again only to never start again replaces the whole distributor everything is new the cap and all ,new coil,igniter ,even computer fuel pressure good but still the spark plugs dont have a spark do you think it could of jumped time is it possible it cranks fine just wont fire up