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Old 07-25-2008, 04:51 PM   #60 (permalink)
bbjsw10
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Location: Findlay,OH
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bbjsw10 - '91 Geo Metro Xfi
90 day: 51.06 mpg (US)
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Quote:
Originally Posted by Johnny Mullet View Post
Any vibrations from having the gauge mounted like that will fluctuate it also. Try holding it in your hand and then drive and see if it flutters under load.
Tried this no change. If I slightly pinch the hose in my fingers it stops vibrating and still operates. Is there a buffer of some type I could put in the vac line to it. I thought about a small inline fuel filter. Would let the air through but slow down fluctuations. Would that work? I think a lot of it has to do with it not being a good vacuum gauge too, was on a hand vacuum pump. Not meant for this I am sure.
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