Hello and thank you for using Just AnswerI'm Paul and I will help you with your Question
excessive smoking is almost always a bad injector on these vehicles
you need to have the injectors tested this requires a compatible scan tool and would run around 100 for the test
click here for more information
let me know if you need more help
It's possible that would help if you have an injector sticking.
I have not tried that personally.
I do know there are a lot of issues with the injectors on these engines.
I would say give it a shot and if it doesnt help have the cylinders checked out as described in the procedure I attached