what's wrong when my 06 jetta 5 started not going over 30mph and later no start on 2003 Volkswagen Jetta

i was adviced to change the crank shaft possesion sensor the next day and i did but it is stil not starting or giving sparks,what could be wrong? please help

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1 answer 1 comment
does your battery have a charge? is it cranking? if it is just clicking might be starter. get diagnostic run on it.
thank you for trying to help, but it isn't th starter we did a spark test and th plugs ain't giving any spark ws thinking maybe th new crank sensor've be programmed before it can start work