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Vacuum drop and vent issues 200 1990

posted by  rice240 on  Mon May 23 21:39 CST 2022
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last visit: Tue Aug 26 10:51 CST 2014
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Hello. I have a vacuum gauge installed in my car, it has an M47. It ranges from about 17 when engine braking and 0 when accelerating. Is that a normal range?

Secondly, my vents switch to the footwell when I accelerate. I have the A/C on on recirculate. Also there is a hissing sound. Where is there a common leak? Could the vent Vacuum cause the gauge to ho to zero?






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New Vacuum drop and vent issues [200][1990]
posted by  rice240 subscriber  on Mon May 23 21:39 CST 2022 >


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