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Vacuum gauge reading

  • Fvargas235100
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4 years 7 months ago #47122 by Fvargas235100
Vacuum gauge reading was created by Fvargas235100
What does it mean when you snap the throttle and the vacuum gauge goes to the past the 0 mark then vibrates rapidly from +15 to -15 then to 26 and settle back to 21. It should go past 0 then to 26 in a smooth motion, right? 2008 chevy equinox

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