GMC Repair: 2001 Grand Prix, vacuum line, grand prix 3

Question
3.8 no turbo
When I am driving the motor will die completely for a couple of seconds. It does not do this all of the time just intermitently. Seems to happen more often on acceleration. Car has 250,000 KM on it.  

Answer
Does it start right back up instantly or does it take some time in order to get it to re-start ?.

What mechanical work or ANY kind of work has been performed on the vehicle recently ?. As most problems that occur after a recent repair was made can be traced back to the area of where the repair was made as a vacuum line may have been knocked loose or a wire connection came loose, Look around in the area where work was performed.



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