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Originally Posted by timguyli
Has anyone upgraded the plugs in their Aveo? My 04 is running a little rough with only 15k miles on it. Im thinking of the new fusion plugs or the bosch plat 4 plugs. Any suggestions? Thanks and happy holidays!
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If you are mad at your car that is a good way to kill it for sure
Bosch is a no no in A GM.
Just drop all of them in the trash can. And get what the good AC delco spark plug book calls for.
You should not need new plugs untill 75-100K
What engine?
Any check engine lights?
Describe the running ruff.
Like on the road or idle or engine shaking?
Tell us what is up there and someone may be able to help.