Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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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
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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