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Q:

What causes my car engine missing when car is idled? on 1999 Infiniti Q45

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
Just had tune up 1 week ago
(2) Answers
i would return to whrer you had your work done and have them re check it for you to verfiy there work.

was it missing before the tune up??

Roy
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It could be numerous items causing issue,least expensive route is to start with checking for vacuum leaks.